Khan/khan-exercises — Issue #8570: Geometry 1 - Geometry 1:Circumference of a Circle
Author: KhanBugz
Created: 2011-12-13 20:58:52+00:00
State: open
Labels: firefox, snowleo, wrong-or-unclear

Reporter: suzanne_walsh@natronaschools.org

The diameter is 3 what is the circumference? The answer should be 3(3.14). The program says the answer 3pi.

[geometry_1.html?seed=188&problem=circle-d-to-c (circles_1)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=188&problem=circle-d-to-c&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=188&problem=circle-d-to-c&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%229.42%5C%22%22%2C19%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229.42pi%5C%22%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229.42%5C%22%22%2C27%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229.42%5C%22%22%2C112%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229.4%5C%22%22%2C15%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229%5C%22%22%2C4%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229%5C%22%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5C%229.42%20pi%5C%22%22%2C21%5D%2C%5B%22correct-activity%22%2C%22%5C%223pi%5C%22%22%2C151%5D%5D)

["9.42","9.42pi","9.42","9.42","9.4","9","9","9.42 pi","3pi"]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:5.0.1) Gecko/20100101 Firefox/5.0.1

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