Khan/khan-exercises — Issue #9497: Pythagorean theorem 1 - Pythagorean theorum 1
Author: KhanBugz
Created: 2011-12-25 15:27:56+00:00
State: open
Labels: safari, snowleo, wrong-or-unclear

The question which is "In the right triangle shown, BC=5 and AB=8, what is AC?
The answer shown is the squareroot of 39, it should be 89.

[pythagorean_theorem_1.html?seed=8&problem=find-a-leg](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pythagorean_theorem_1.html?seed=8&problem=find-a-leg&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/pythagorean_theorem_1.html?seed=8&problem=find-a-leg&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B1%2C89%5D%22%2C22%5D%2C%5B%22incorrect-activity%22%2C%22%5B1%2C89%5D%22%2C23%5D%2C%5B%22incorrect-activity%22%2C%22%5B9.4%2C89%5D%22%2C107%5D%2C%5B%22incorrect-activity%22%2C%22%5B9.4%2C89%5D%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%5D)

[[1,89],[1,89],[1,89],[9.4,89],[9.4,89]]

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