SOLUTION: Suppose that the volume of a sphere is numerically equal to twice the surface area of the sphere. Find the length of a radius of the sphere.

Question 11373: Suppose that the volume of a sphere is numerically equal to twice the surface area of the sphere. Find the length of a radius of the sphere.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Set the formula for the volume of the sphere = twice the formula for the surface area of the sphere and solve for r..
solve for r. Divide both sides by
Multiply both sides by (3/4)

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