Surface = volume

If the volume and the surface area of a sphere are numerically the same then find its radius.

Correct answer:

r =  3

Step-by-step explanation:

S=V S = 4 π r2 S = 34 π r3  4 π r2 = 34 π r3 π r2 = 31 π r3 r2 = 31 r3 1 = 31 r  r=3



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