if the total surface area of sphere is 98.57 cm2, find the radius of the sphere
SohamxKing:
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Answer:
Total surface area of sphere = 4πr²
98.57 cm² = 4 X 22 ÷ 7 X r²
r² = 98.56 X 22 ÷ 7 X 4
r² = 7.84cm
r = 2.8 cm
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