Khan/khan-exercises — Issue #7013: Geometry 1 - Wrong answer?
Author: KhanBugz
Created: 2011-11-24 05:45:08+00:00
State: open
Labels: firefox, snowleo, wrong-or-unclear

Reporter: R3hall@hotmail.com

If C= d x pi, and the d is 16 in this problem, then the answer should be 16pi. I try that and it keeps frowning on me.

[geometry_1.html?seed=57&problem=circle-d-to-c (circles_1)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=57&problem=circle-d-to-c&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=57&problem=circle-d-to-c&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2216%20pi%5C%22%22%2C15%5D%5D)

["16 pi"]

Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13

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