Question

if the volume of a sphere is numerically equal to its surface area​

Answer 1

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Answer 2

Answer:

radius = 3 units

Step-by-step explanation:

vol. of sphere= 4/3 $\pi$ r³

surface area =  4$\pi$r²

since they are given equal therefore,

                4/3 $\pi$ r³ = 4$\pi$r²

cancel 4, $\pi$ and 2 powers of r³ from both sides

             => r/3 = 0

             => r = 3

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