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a sphere has a volume of 42.1 m3. what is the diameter?
 Mar 15, 2014
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Volume of a sphere = (4/3)*Pi*R^3

Thus:

(42.1)*(3/4)/(Pi) = R^3

Simplify the left side, and take its cube root. This will give you the radius. Double that to get the diameter in meters.
 Mar 16, 2014

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