Answer these questions about the following route. Kyrill walks from point A 4 miles east to point B. He then travels to point C, 4 miles north.
Answer these questions about the following route. Kyrill walks from point A 4 miles east to point B. He then travels to point C, 4 miles north. Feeling especially adventurous, Kyrill finally travels southwest a distance of 4 (read "four times the square root of 2") miles back to point A.  A. For 15 points, calculate the angle CAB (read "angle CAB"). You will have 10 seconds.
Answer these questions about the following route. Kyrill walks from point A 4 miles east to point B. He then travels to point C, 4 miles north.
450 (read {“45 degrees”}) (accept: /4 radians; read “pi over 4”)