Khan/khan-exercises — Issue #12104: Angles 1 - yada
Author: KhanBugz
Created: 2012-01-25 18:50:03+00:00
State: open
Labels: chrome, wrong-or-unclear

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[angles_1.html?seed=42&problem=supplementary-angles-and-180-degrees-in-triangle](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/angles_1.html?seed=42&problem=supplementary-angles-and-180-degrees-in-triangle&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/angles_1.html?seed=42&problem=supplementary-angles-and-180-degrees-in-triangle&debug&activity=%5B%5D)

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Mozilla/5.0 (X11; CrOS i686 1412.64.0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.27 Safari/535.11

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