SOLUTION: The surface of a sphere is 12960 cm squared, find the radius of the sphere

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Question 750009: The surface of a sphere is 12960 cm squared, find the radius of the sphere
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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The surface of a sphere is 12960 cm squared, find the radius of the sphere
:
4%2Api%2Ar%5E2 = 12960
divide both sides by 4pi
r%5E2 = 12960%2F%284%2Api%29
r%5E2 = 1031.324
r = sqrt%281031.324%29
r = 32.114 is the radius