If the volume and surface area of a sphere are numerically the same, then its radius is:?
Choose the correct answer:
A) 2	B) 4	C) 1	D) 5	E) 3
4/3 πr(power3) = 4 π r(power2)   r = 3   Answer is 3.
<result>E</result>
If the volume and surface area of a sphere are numerically the same, then its radius is:?