Question

The radius of a sphere (in cm) whose volume is 12π cm³,is
(A) 3
(B) 3√3
(C) 3⅔
(D) 3⅓​

Answer 1

formula of volume of sphere is 4/3πr^3

then

4/3πr^3=12π

π cancels π

then

4/3r^3=12

r^3=12×3/4

r^3=9

r=√9

r=3

hope it helps

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