Khan/khan-exercises — Issue #12339: Triangle angles 1 - rt
Author: KhanBugz
Created: 2012-01-28 03:51:40+00:00
State: open
Labels: firefox, hard, snowleo

Reporter: fdhdh

sdtdt

[triangle_angles_1.html?seed=61&problem=scalene](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/triangle_angles_1.html?seed=61&problem=scalene&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/triangle_angles_1.html?seed=61&problem=scalene&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.8) Gecko/20100722 Firefox/3.6.8

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