SOLUTION: a sphere has a radius of 4. find the surface area

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Question 143587: a sphere has a radius of 4. find the surface area
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a sphere has a radius of 4. find the surface area
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Surface Area = 4*pi*r^2
Surface Area = 4*pi*16 = 64pi sq. units
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Cheers,
Stan H.