Surface area of a sphere = 4πr2
4πr2 = 7927cm2
4 x 227 x r2 = 7927
r2 = 7927 x 74×22
= 9
r = √9
= 3cm
Hence, volume of sphere
= 43πr3
= 43×227×3×3×3
= 4×22×97
≈ = 113.143
= 113cm3 (to the nearest whole number)
