Question

Find the surface area of sphere whose volume is 99/7 cm3

Answer 1

The surface area is 103.49 cm2

Answer 2

volume of sphere = 99/7 cm^3
4/3πr^3=99/7
4/3x22/7xr^3=99/7
r^3=99/7x3/4x7/22
r^3=3.375
r=√3.375
r=1.5

S. A. of sphere=4πr^2
=4x22/7x1.5^2
=4x22/7x2.25
=28.285714

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