Khan/khan-exercises — Issue #9736: Trigonometry challenge - problem
Author: KhanBugz
Created: 2011-12-29 00:34:13+00:00
State: open
Labels: ie8, ie9, not-showing, win7

it doesn't work well

[trigonometry_challenge.html?seed=173&problem=12 (distance_formula)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=173&problem=12&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=173&problem=12&debug&activity=undefined)

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Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; BRI/1; .NET4.0C; InfoPath.3)

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