Khan/khan-exercises — Issue #4732: Angles of a polygon - angles of polygon-can't access exercise
Author: KhanBugz
Created: 2011-10-21 18:46:08+00:00
State: open
Labels: ie8, ie9, vista

[angles_of_a_polygon.html?seed=11&problem=interior](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/angles_of_a_polygon.html?seed=11&problem=interior&debug)

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