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Mathematics 21 Online
OpenStudy (anonymous):

Which 3-D figure matches the surface area formula? S=4πr2

OpenStudy (anonymous):

a cylinder

OpenStudy (zarkon):

sphere

OpenStudy (anonymous):

sphere

OpenStudy (anonymous):

Sphere

OpenStudy (anonymous):

http://en.wikipedia.org/wiki/Sphere

OpenStudy (anonymous):

sphere lol

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