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Question
Calculate the surface area of a sphere who's volume is 485cm
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Solution
volume of sphere =4/3πr³
=485
4/3πr³ = 485
r³=485×3/4×1/π
r³=115.785
r=4.87
surface area of sphere=4πr²
=4×22/7×4.87×4.87
=298.1cm^2
=485
4/3πr³ = 485
r³=485×3/4×1/π
r³=115.785
r=4.87
surface area of sphere=4πr²
=4×22/7×4.87×4.87
=298.1cm^2
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