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Find the surface area of a sphere, if its volume is 38808 cubic cm. (π = 22/7)

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Find the surface area of a sphere, if its volume is 38808 cubic cm. (π = 22/7)

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∴ r3 = 441 x 21 = 21 x 21 x 21 

∴ r = 21 cm … [Taking cube root on both sides] 

ii. Surface area of sphere = 4πr2 

= 4 x (22/7) x 21 = 4 x (22/7) x 21 x 21 = 4 x 22 x 3 x 21 

= 5544 sq.cm. 

∴ The surface area of sphere is 5544 sq.cm.

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