Khan/khan-exercises — Issue #4901: Geometry 1 - Not accepting the correct answer 
Author: KhanBugz
Created: 2011-10-24 16:24:20+00:00
State: open
Labels: firefox, xp

Reporter: mpmitri@gmail.com

Hello, for the question: Suppose the area of a circle is 4π. What is its circumference?

I am submitting the answer of 12.56 but it is not accepting it. Can you help me?

[geometry_1.html?seed=75&problem=circle-K-to-c (circles_1)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=75&problem=circle-K-to-c&debug)

["12.56","1.27","1.27","55.04","55","100.53","100.53","12.56637061435917","12.5","12.6","78.95","78.95","25.13","3.14","6.28","12.56","12.56"]

Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20100101 Firefox/7.0.1

MathJax is loaded, ready, queue length: 0