Find radius of a sphere if its volume is 38808 cubic cm
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Given that volume of a sphere is 38808 cm3 . But volume of a sphere is (4/3)πr3 . (4/3)πr3 = 38808
r3 = 38808 × 7/22 × 3/4
r3 = 441 × 7 × 3 = 9261
r3 = 7 × 3 × 7 × 3 × 7 × 3
r = 7 × 3 = 21
Surface area of sphere = 4πr2 . S = 4 × (22 /7) × 7 × 3 × 7 × 3 S = 5544 cm2 .
r3 = 38808 × 7/22 × 3/4
r3 = 441 × 7 × 3 = 9261
r3 = 7 × 3 × 7 × 3 × 7 × 3
r = 7 × 3 = 21
Surface area of sphere = 4πr2 . S = 4 × (22 /7) × 7 × 3 × 7 × 3 S = 5544 cm2 .
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