Khan/khan-exercises — Issue #13339: Geometry 1 - wrong answer for problem
Author: KhanBugz
Created: 2012-02-08 03:43:08+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

answer for what is the area of a circle with diameter of 4, states that it is not 12.57.

[geometry_1.html?seed=22&problem=circle-r-to-d (circles_1)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=22&problem=circle-r-to-d&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=22&problem=circle-r-to-d&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0) Gecko/20100101 Firefox/10.0

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