A basket ball has a surface area of 1810cm^2. Find its volume
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A basket ball is in the shape of a sphere. So,
Surface area of sphere = 4πr^2 = 1810 cm^2
Solving this, r^2 = 1810 / 4π
= 1810 × 7 / 4 × 22
= 144
r = 144^1/2
r = 12 cm
Volume of sphere = 4/3πr^3
= 4/3 × 22/7 × 12^3
= 7241 cm^3
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