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OpenStudy (anonymous):
Help I cant figure this out please... What is the surface area of a sphere with radius of 3.5?
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OpenStudy (anonymous):
A. 12.25p B. 14p C. 24.5p D. 49p
OpenStudy (anonymous):
Use the formula surface area = 4*pi * r^2
OpenStudy (anonymous):
yeah i know. but the answer isnt any on here.
OpenStudy (anonymous):
come out as 87.92
OpenStudy (anonymous):
are p's in your options pi?
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OpenStudy (anonymous):
oh yeah huh!
OpenStudy (anonymous):
So is it A? Thats the only one I can get.
OpenStudy (anonymous):
heeeeeelp
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