Khan/khan-exercises — Issue #14320: Trigonometry 1.5 - Answer is 30 but it says it is wrong
Author: KhanBugz
Created: 2012-02-21 18:44:54+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

Reporter: cheese884@hotmail.com

Triangle ABC one angle is 90 degrees. (ab) h=34 and sin of abc is 15/17. I put in 30 for the length of cb. It said it was wrong so I clicked the hint button and the hint says the answer is 30 as well but I still get it wrong.

[trigonometry_1.5.html?seed=199&problem=sin](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_1.5.html?seed=199&problem=sin&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_1.5.html?seed=199&problem=sin&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C47%5D%2C%5B%22hint-activity%22%2C%220%22%2C73%5D%2C%5B%22hint-activity%22%2C%220%22%2C74%5D%2C%5B%22hint-activity%22%2C%220%22%2C74%5D%2C%5B%22hint-activity%22%2C%220%22%2C75%5D%2C%5B%22hint-activity%22%2C%220%22%2C75%5D%2C%5B%22hint-activity%22%2C%220%22%2C75%5D%2C%5B%22hint-activity%22%2C%220%22%2C75%5D%2C%5B%22hint-activity%22%2C%220%22%2C75%5D%2C%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C86%5D%5D)

["30","30"]

Mozilla/5.0 (Windows NT 6.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2

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