using clay, anant made a right circular cone of height 48cm and base radius 12 cm. versha reshapes it in the form of a sphere. find the radius and curved surface area of the sphere so formed.
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Volume of cone = 1/3 x 22/7 x 12 x 42 = 528 cm³
Volume of cone = Volume of sphere
⇒ 4/3 x 22/7 x r³ = 528
r³ = 528 x 3/4 x 7/22
= 126
r = ∛126 = 5.013 cm
Surface area of sphere = 4 x 22/7 x 5.013² = 63.02 cm²
Volume of cone = Volume of sphere
⇒ 4/3 x 22/7 x r³ = 528
r³ = 528 x 3/4 x 7/22
= 126
r = ∛126 = 5.013 cm
Surface area of sphere = 4 x 22/7 x 5.013² = 63.02 cm²
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