Khan/khan-exercises — Issue #13440: Geometry 1 - the "area of a circle" will not play
Author: KhanBugz
Created: 2012-02-09 02:18:10+00:00
State: open
Labels: firefox, other

it just comes up as a white box. on the video page as well as through the practice section

[geometry_1.html?seed=124&problem=circle-K-to-d (circles_1)](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=124&problem=circle-K-to-d&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/geometry_1.html?seed=124&problem=circle-K-to-d&debug&activity=%5B%5D)

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Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.4; en-US; rv:1.9.2.25) Gecko/20111212 Firefox/3.6.25

MathJax is loaded, ready, queue length: 0