Question

The volume and the surface area of a sphere are numerically equal, then the radius of sphere is
(A) O units (B) 1 units (C) 2 units (D) 3 units​

Answer 1

Step-by-step explanation:

A= 0 unit

because multiplication of zero is equal to 0

Answer 2

Answer:

3 units

Step-by-step explanation:

4/3πr³=4πr²

which is equivalent to,

r²(r−3)=0

Since a sphere with zero radius is no sphere at all, we conclude r=3.

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