Khan/khan-exercises — Issue #9810: Measuring angles - Angle ruler
Author: KhanBugz
Created: 2011-12-29 18:31:09+00:00
State: open
Labels: firefox, other, win7

the angle ruler is not rotating

[measuring_angles.html?seed=12&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/measuring_angles.html?seed=12&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/measuring_angles.html?seed=12&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2220%5C%22%22%2C72%5D%5D)

["20"]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20100101 Firefox/8.0

MathJax is loaded, ready, queue length: 0