Khan/khan-exercises — Issue #11465: Quadrilateral angles - please explain
Author: KhanBugz
Created: 2012-01-17 21:28:18+00:00
State: open
Labels: hard, ie8, ie9, win7

Reporter: rockclimbcz@yahoo.com

there is no videos, or explination on how to find quadrlateral angle. how am I suposed to solve these problems if I dont know how? please post a video to explain the problems

[quadrilateral_angles.html?seed=185&problem=isoscelesTrap1](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadrilateral_angles.html?seed=185&problem=isoscelesTrap1&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadrilateral_angles.html?seed=185&problem=isoscelesTrap1&debug&activity=%5B%5D)

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