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September 20, 2014

September 20, 2014

Posted by **willy** on Thursday, March 8, 2012 at 9:14am.

- geometry -
**TutorCat**, Thursday, March 8, 2012 at 11:29amball = sphere

Find the surface area of a sphere.

A = 4*pi*(radius)^2

source:

http://math.about.com/od/formulas/ss/surfaceareavol.htm

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