{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/113781","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/113781/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/113781/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/113781/events","html_url":"https://github.com/Khan/khan-exercises/issues/113781","id":22547568,"number":113781,"title":"Fill-in-the-blank triangle proofs - Answer is correct but it says it isn't","user":{"login":"KhanBugz","id":924247,"avatar_url":"https://avatars.githubusercontent.com/u/924247?v=3","gravatar_id":"","url":"https://api.github.com/users/KhanBugz","html_url":"https://github.com/KhanBugz","followers_url":"https://api.github.com/users/KhanBugz/followers","following_url":"https://api.github.com/users/KhanBugz/following{/other_user}","gists_url":"https://api.github.com/users/KhanBugz/gists{/gist_id}","starred_url":"https://api.github.com/users/KhanBugz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KhanBugz/subscriptions","organizations_url":"https://api.github.com/users/KhanBugz/orgs","repos_url":"https://api.github.com/users/KhanBugz/repos","events_url":"https://api.github.com/users/KhanBugz/events{/privacy}","received_events_url":"https://api.github.com/users/KhanBugz/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/chrome","name":"chrome","color":"e102d8"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/other","name":"other","color":"e10c02"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/vista","name":"vista","color":"ededed"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2013-11-12T20:25:05Z","updated_at":"2015-11-20T22:32:58Z","closed_at":"2015-11-20T22:32:58Z","body":"[geometry_proofs_1.html?seed=9&problem=0](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/geometry_proofs_1.html?seed=9&problem=0&debug&lang=en)\n\n[Answer timeline](http://sandcastle.kasandbox.org/media/castles/Khan:master/exercises/geometry_proofs_1.html?seed=9&problem=0&debug&lang=en&activity=%5B%5B%22incorrect-activity%22%2C%221%22%2C280%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%221%22%2C20%5D%2C%5B%22incorrect-activity%22%2C%221%22%2C12%5D%5D)\n\n    [1,1,1]\n\nLocale: en\n\nUser hash: 1629389352\n\nMozilla/5.0 (Windows NT 6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101 Safari/537.36\n\nMathJax is loaded, ready, queue length: 0\n\n\n\nstart of log\nloadModule mod /khan-exercises/utils/answer-types.js\nloadModule mod /khan-exercises/utils/tmpl.js\nloadModule mod /khan-exercises/utils/tex.js\nloadModule mod /khan-exercises/utils/jquery.adhesion.js\nloadModule mod /khan-exercises/utils/calculator.js\nloadModule mod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loading /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loaded /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nstartTask...\nstartTask got task geometry_proofs_1\nrenderExerciseTask geometry_proofs_1\nloading and rendering geometry_proofs_1\nloadExercise start geometry_proofs_1.html\nloadExercise got geometry_proofs_1.html\nloadExercise submod math\nloadModule mod /khan-exercises/utils/math.js\nloadModule mod /khan-exercises/utils/../third_party/raphael.js\nloadExercise submod graphie\nloadModule mod /khan-exercises/utils/graphie.js\nloadModule mod /khan-exercises/utils/kvector.js\nloadExercise submod graphie-helpers\nloadModule mod /khan-exercises/utils/graphie-helpers.js\nloadModule mod /khan-exercises/utils/math-format.js\nloadModule mod /khan-exercises/utils/expressions.js\nloadExercise submod graphie-geometry\nloadModule mod /khan-exercises/utils/graphie-geometry.js\nloadModule mod /khan-exercises/utils/kmatrix.js\nloadModule mod /khan-exercises/utils/kline.js\nloadModule mod /khan-exercises/utils/kpoint.js\nloadExercise submod math-format\nloadExercise submod interactive\nloadModule mod /khan-exercises/utils/interactive.js\nloadModule mod /khan-exercises/utils/../third_party/jquery.mobile.vmouse.js\nloadExercise submod proofs\nloadModule mod /khan-exercises/utils/proofs.js\nloadExercise submod congruency\nloadModule mod /khan-exercises/utils/congruency.js\nloadModule mod /khan-exercises/utils/angles.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish geometry_proofs_1.html\nloaded geometry_proofs_1, now rendering\nstart of makeProblem\nchose problem type and seed for geometry_proofs_1\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(graphie-helpersLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\nrunning graphie-geometryLoad\nran graphie-geometryLoad\n(kmatrixLoad not a fn; src undefined)\nrunning klineLoad\nran klineLoad\nrunning kpointLoad\nran kpointLoad\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\n(proofsLoad not a fn; src undefined)\n(congruencyLoad not a fn; src undefined)\n(anglesLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting ( \\overline{BC} )\nMathJax done typesetting ( \\overline{DF} )\nMathJax done typesetting ( \\angle CFE \\cong \\angle ABC)\nMathJax done typesetting ( \\overline{CF} \\cong \\overline{BC})\nMathJax done typesetting ( \\angle ECF \\cong \\angle ACB)\nMathJax done typesetting ( \\angle BDE \\cong \\angle ACB)\nMathJax done typesetting ( \\overline{DE} \\cong \\overline{AC})\nMathJax done typesetting ( \\angle BED \\cong \\angle BAC)\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nvalidator created\nMathJax done typesetting ( \\triangle BCA \\cong \\triangle BDE)\nMathJax done typesetting ( \\overline{AB} \\cong \\overline{BE})\nMathJax done typesetting ( \\bigtriangleup )\nMathJax done typesetting ( = \\bigtriangleup )\nMathJax done typesetting ( \\overline{AC} \\cong \\overline{CE})\nMathJax done typesetting ( \\bigtriangleup )\nMathJax done typesetting ( = \\bigtriangleup )\nMathJax done typesetting ( \\triangle BCE \\cong \\triangle BCA)\nMathJax done typesetting ( \\triangle BCE \\cong \\triangle BCA)\nMathJax done typesetting ( \\triangle ABC \\cong \\triangle ECB)\nMathJax done typesetting ( \\triangle ABC \\cong \\triangle CFE)\nloading and rendering geometry_proofs_1\nloaded geometry_proofs_1, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for geometry_proofs_1\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(graphie-helpersLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\nrunning graphie-geometryLoad\nran graphie-geometryLoad\n(kmatrixLoad not a fn; src undefined)\nrunning klineLoad\nran klineLoad\nrunning kpointLoad\nran kpointLoad\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\n(proofsLoad not a fn; src undefined)\n(congruencyLoad not a fn; src undefined)\n(anglesLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting ( \\overline{BC} )\nMathJax done typesetting ( \\overline{DF} )\nMathJax done typesetting ( \\overline{CF} \\cong \\overline{BD})\nMathJax done typesetting ( \\angle ECF \\cong \\angle BDE)\nMathJax done typesetting ( \\overline{CE} \\cong \\overline{DE})\nMathJax done typesetting ( \\angle CEF \\cong \\angle BAC)\nMathJax done typesetting ( \\overline{EF} \\cong \\overline{AB})\nMathJax done typesetting ( \\angle CFE \\cong \\angle ABC)\nMathJax done typesetting ( \\triangle ABC \\cong \\triangle EFC)\nMathJax done typesetting ( \\overline{BC} \\cong \\overline{CF})\nMathJax done typesetting ( \\triangle EBD \\cong \\triangle EFC)\nMathJax done typesetting ( \\triangle EBC \\cong \\triangle EFC)\nMathJax done typesetting ( \\triangle EFC \\cong \\triangle EBC)\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nvalidator created\nMathJax done typesetting ( \\triangle EFC \\cong \\triangle EBC)\nstartTask...\nstartTask got task geometry_proofs_1\nrenderExerciseTask geometry_proofs_1\nloading and rendering geometry_proofs_1\nloaded geometry_proofs_1, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for geometry_proofs_1\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(graphie-helpersLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\nrunning graphie-geometryLoad\nran graphie-geometryLoad\n(kmatrixLoad not a fn; src undefined)\nrunning klineLoad\nran klineLoad\nrunning kpointLoad\nran kpointLoad\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\n(proofsLoad not a fn; src undefined)\n(congruencyLoad not a fn; src undefined)\n(anglesLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting ( \\overline{BC} )\nMathJax done typesetting ( \\overline{DF} )\nMathJax done typesetting ( \\overline{CF} \\cong \\overline{BD})\nMathJax done typesetting ( \\angle ECF \\cong \\angle BDE)\nMathJax done typesetting ( \\overline{CE} \\cong \\overline{DE})\nMathJax done typesetting ( \\angle CEF \\cong \\angle BAC)\nMathJax done typesetting ( \\overline{EF} \\cong \\overline{AB})\nMathJax done typesetting ( \\angle CFE \\cong \\angle ABC)\nMathJax done typesetting ( \\triangle ABC \\cong \\triangle EFC)\nMathJax done typesetting ( \\overline{BC} \\cong \\overline{CF})\nMathJax done typesetting ( \\triangle EBD \\cong \\triangle EFC)\nMathJax done typesetting ( \\triangle EBC \\cong \\triangle EFC)\nMathJax done typesetting ( \\triangle EFC \\cong \\triangle EBC)\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nvalidator created\nMathJax done typesetting ( \\triangle EFC \\cong \\triangle EBC)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nMathJax done typesetting ( \\triangle EFC \\cong \\triangle EBD)\nMathJax done typesetting ( \\overline{BE} \\cong \\overline{EF})\nstartTask...\nstartTask got task geometry_proofs_1\nrenderExerciseTask geometry_proofs_1\nloading and rendering geometry_proofs_1\nloaded geometry_proofs_1, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for geometry_proofs_1\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(graphie-helpersLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\nrunning graphie-geometryLoad\nran graphie-geometryLoad\n(kmatrixLoad not a fn; src undefined)\nrunning klineLoad\nran klineLoad\nrunning kpointLoad\nran kpointLoad\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\n(proofsLoad not a fn; src undefined)\n(congruencyLoad not a fn; src undefined)\n(anglesLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting ( \\overline{BC} )\nMathJax done typesetting ( \\overline{DF} )\nMathJax done typesetting ( \\overline{CF} \\cong \\overline{BD})\nMathJax done typesetting ( \\angle ECF \\cong \\angle BDE)\nMathJax done typesetting ( \\overline{CE} \\cong \\overline{DE})\nMathJax done typesetting ( \\angle CEF \\cong \\angle BAC)\nMathJax done typesetting ( \\overline{EF} \\cong \\overline{AB})\nMathJax done typesetting ( \\angle CFE \\cong \\angle ABC)\nMathJax done typesetting ( \\triangle ABC \\cong \\triangle EFC)\nMathJax done typesetting ( \\overline{BC} \\cong \\overline{CF})\nMathJax done typesetting ( \\triangle EBD \\cong \\triangle EFC)\nMathJax done typesetting ( \\triangle EBC \\cong \\triangle EFC)\nMathJax done typesetting ( \\triangle EFC \\cong \\triangle EBC)\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nvalidator created\nMathJax done typesetting ( \\triangle EFC \\cong \\triangle EBC)\nMathJax done typesetting ( \\overline{EF} \\cong \\overline{BE})\nloading and rendering geometry_proofs_1\nloaded geometry_proofs_1, now rendering\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpersCleanup not a fn; src undefined)\n(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(graphie-geometryCleanup not a fn; src undefined)\n(kmatrixCleanup not a fn; src undefined)\n(klineCleanup not a fn; src undefined)\n(kpointCleanup not a fn; src undefined)\n(interactiveCleanup not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseCleanup not a fn; src undefined)\n(proofsCleanup not a fn; src undefined)\n(congruencyCleanup not a fn; src undefined)\n(anglesCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for geometry_proofs_1\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; src undefined)\n(jquery.adhesionLoad not a fn; src undefined)\n(calculatorLoad not a fn; src undefined)\n(mathLoad not a fn; src undefined)\n(../third_party/raphaelLoad not a fn; src undefined)\n(graphieLoad not a fn; src undefined)\n(kvectorLoad not a fn; src undefined)\n(graphie-helpersLoad not a fn; src undefined)\n(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\nrunning graphie-geometryLoad\nran graphie-geometryLoad\n(kmatrixLoad not a fn; src undefined)\nrunning klineLoad\nran klineLoad\nrunning kpointLoad\nran kpointLoad\n(interactiveLoad not a fn; src undefined)\n(../third_party/jquery.mobile.vmouseLoad not a fn; src undefined)\n(proofsLoad not a fn; src undefined)\n(congruencyLoad not a fn; src undefined)\n(anglesLoad not a fn; src undefined)\ndone with runModules Load\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nMathJax done typesetting ( \\overline{BC} )\nMathJax done typesetting ( \\overline{DF} )\nMathJax done typesetting ( \\angle CEF \\cong \\angle BAC)\nMathJax done typesetting ( \\angle CFE \\cong \\angle ABC)\nMathJax done typesetting ( \\overline{CF} \\cong \\overline{BC})\nMathJax done typesetting ( \\angle BDE \\cong \\angle ACB)\nMathJax done typesetting ( \\overline{DE} \\cong \\overline{AC})\nMathJax done typesetting ( \\angle BED \\cong \\angle BAC)\nMathJax done typesetting ( \\triangle BCA \\cong \\triangle BDE)\nMathJax done typesetting ( \\triangle BCA \\cong \\triangle FCE)\nMathJax done typesetting ( \\overline{AC} \\cong \\overline{CE})\nMathJax done typesetting ( \\triangle BCA \\cong \\triangle BCE)\nMathJax done typesetting ( \\triangle BCE \\cong \\triangle BCA)\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\ndone with runModules\ndecided on answer type custom\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nvalidator created\nMathJax done typesetting ( \\triangle BCE \\cong \\triangle BCA)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nMathJax done typesetting ( \\triangle BDE \\cong \\triangle BCA)\n(answer-types not a fn; src undefined)\nrunning tmpl\nran tmpl\nrunning tex\nran tex\n(jquery.adhesion not a fn; src undefined)\n(calculator not a fn; src undefined)\n(math not a fn; src undefined)\n(../third_party/raphael not a fn; src undefined)\nrunning graphie\nran graphie\n(kvector not a fn; src undefined)\n(graphie-helpers not a fn; src undefined)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(graphie-geometry not a fn; src undefined)\n(kmatrix not a fn; src undefined)\n(kline not a fn; src undefined)\n(kpoint not a fn; src undefined)\n(interactive not a fn; src undefined)\n(../third_party/jquery.mobile.vmouse not a fn; src undefined)\n(proofs not a fn; src undefined)\n(congruency not a fn; src undefined)\n(angles not a fn; src undefined)\nMathJax done typesetting ( \\overline{AB} \\cong \\overline{BE})\nMathJax done typesetting ( \\overline{AB} \\cong \\overline{BE})"}}