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In three dimensions, what formula gives the volume inside a sphere of radius r?

A4pi * r^2
B2pi * r * h
C(4/3)pi * r^3
D(1/3)pi * r^2
Answer & Solution
Correct answer: C. (4/3)pi * r^3
The volume of a sphere of radius r is (4/3) * pi * r^3.
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