{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/120858","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/120858/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/120858/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/120858/events","html_url":"https://github.com/Khan/khan-exercises/issues/120858","id":22926872,"number":120858,"title":"Decomposing angles / xab38ed3cf48ae050 - i can't see the problem","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/ie9","name":"ie9","color":"ededed"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/not-showing","name":"not-showing","color":"28AE7B"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/scratchpad","name":"scratchpad","color":"DDDDDD"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/win7","name":"win7","color":"ededed"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2013-11-19T16:38:26Z","updated_at":"2015-11-20T22:24:57Z","closed_at":"2015-11-20T22:24:57Z","body":"http://www.khanacademy.org/preview/content/items/xab38ed3cf48ae050\n\n    [[{\"value\":\"840\"}]]\n\nUser hash: 1166718822\n\nMozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3; BRI/2)\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 undefined\nloading and rendering parallel_lines_2\nloadExercise start parallel_lines_2.html\nloadExercise got parallel_lines_2.html\nloadExercise sub corresponding_angles_2\nloadExercise start corresponding_angles_2.html\nloadExercise sub alternate_interior_angles_2\nloadExercise start alternate_interior_angles_2.html\nloadExercise sub alternate_exterior_angles_2\nloadExercise start alternate_exterior_angles_2.html\nloadExercise sub same_side_interior_angles_2\nloadExercise start same_side_interior_angles_2.html\nloadExercise sub same_side_exterior_angles_2\nloadExercise start same_side_exterior_angles_2.html\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 got same_side_exterior_angles_2.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 angles\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 same_side_exterior_angles_2.html\nloadExercise got alternate_exterior_angles_2.html\nloadExercise submod math\nloadExercise submod graphie\nloadExercise submod graphie-helpers\nloadExercise submod angles\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 alternate_exterior_angles_2.html\nloadExercise got alternate_interior_angles_2.html\nloadExercise submod math\nloadExercise submod graphie\nloadExercise submod graphie-helpers\nloadExercise submod angles\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 alternate_interior_angles_2.html\nloadExercise got same_side_interior_angles_2.html\nloadExercise submod math\nloadExercise submod graphie\nloadExercise submod graphie-helpers\nloadExercise submod angles\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 same_side_interior_angles_2.html\nloadExercise got corresponding_angles_2.html\nloadExercise submod math\nloadExercise submod graphie\nloadExercise submod graphie-helpers\nloadExercise submod angles\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 corresponding_angles_2.html\nloadExercise finish parallel_lines_2.html\nloaded parallel_lines_2, now rendering\nloadModule mod /khan-exercises/utils/scratchpad.js\nloadModule mod /khan-exercises/utils/../third_party/jquery.mobile.vmouse.js\nstart of makeProblem\nchose problem type and seed for same_side_exterior_angles_2\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)\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\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(angles not a fn; src undefined)\ndone with runModules\ndecided on answer type number\nvalidator created\nstartTask...\nstartTask got task undefined\nloading and rendering parallel_lines_2\nloaded parallel_lines_2, 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(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(anglesCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for same_side_exterior_angles_2\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)\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\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(angles not a fn; src undefined)\ndone with runModules\ndecided on answer type number\nvalidator created\nstartTask...\nstartTask got task undefined\nloadExercise start discount_tax_and_tip_word_problems.html\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(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(anglesCleanup not a fn; src undefined)\nloadExercise got discount_tax_and_tip_word_problems.html\nloadExercise submod math\nloadExercise submod math-format\nloadExercise submod word-problems\nloadModule mod /khan-exercises/utils/word-problems.js\nloadExercise submod spin\nloadModule mod /khan-exercises/utils/spin.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 discount_tax_and_tip_word_problems.html\nloading and rendering discount_tax_and_tip_word_problems\nloaded discount_tax_and_tip_word_problems, now rendering\nstart of makeProblem\nchose problem type and seed for discount_tax_and_tip_word_problems\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(math-formatLoad not a fn; src undefined)\n(expressionsLoad not a fn; src undefined)\nrunning word-problemsLoad\nran word-problemsLoad\n(spinLoad not a fn; src undefined)\ndone with runModules Load\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)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(word-problems not a fn; src undefined)\nrunning spin\nran spin\ndone with runModules\ndecided on answer type multiple\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)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(word-problems not a fn; src undefined)\nrunning spin\nran spin\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)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(word-problems not a fn; src undefined)\nrunning spin\nran spin\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)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(word-problems not a fn; src undefined)\nrunning spin\nran spin\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)\n(math-format not a fn; src undefined)\n(expressions not a fn; src undefined)\n(word-problems not a fn; src undefined)\nrunning spin\nran spin\nvalidator created\nloadExercise start comparing_decimals_1.html\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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup 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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup not a fn; src undefined)\nloadExercise got comparing_decimals_1.html\nloadExercise submod math\nloadExercise submod graphie\nloadExercise submod graphie-helpers\nloadExercise submod word-problems\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 comparing_decimals_1.html\nloadExercise start simplifying_fractions.html\nloadExercise got simplifying_fractions.html\nloadExercise submod math\nloadExercise submod word-problems\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 simplifying_fractions.html\nstartTask...\nstartTask got task undefined\nstartTask...\nstartTask got task 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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup 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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup not a fn; src undefined)\nstartTask...\nstartTask got task 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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup 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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup not a fn; src undefined)\nstartTask...\nstartTask got task 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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup 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(math-formatCleanup not a fn; src undefined)\n(expressionsCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(spinCleanup not a fn; src undefined)"}}