Khan/khan-exercises — Issue #14834: Trigonometry challenge - The answer is incorrect
Author: KhanBugz
Created: 2012-02-28 13:47:19+00:00
State: open
Labels: firefox, snowleo, wrong-or-unclear

Reporter: lfstewart5@gmail.com

The answer to the problem is 7, since the sin on ABC is 8 square root 113 over 113, and the tan is 8 over 7, meaning that it can't be simplified and AC equals 8, and when I answered 7 for the question it was wrong, setting back my progress.

[trigonometry_challenge.html?seed=40&problem=sin2 (trigonometry_2)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=40&problem=sin2&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=40&problem=sin2&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3E7%3C%2Fcode%3E%5C%22%22%2C11%5D%5D)

["7"]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:5.0.1) Gecko/20100101 Firefox/5.0.1

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