113cm3
131cm3
311cm3
414cm3
Correct answer is A
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)
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