Khan/khan-exercises — Issue #8606: Trigonometry challenge - to hard
Author: KhanBugz
Created: 2011-12-14 03:20:27+00:00
State: open
Labels: hard, ie8, vista

im only in algebra

[trigonometry_challenge.html?seed=28&problem=19 (distance_formula)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=28&problem=19&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/trigonometry_challenge.html?seed=28&problem=19&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%5D)

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