SOLUTION: For what radius is the volume of a sphere equal to the surface area of the sphere?

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Question 597438: For what radius is the volume of a sphere equal to the surface area of the sphere?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
If you are referring to "equal" as "numerically equal" then we would have



Divide both sides by (pi)(r^2).