Q66 of 189 Page 512

A sphere of diameter 12.6 cm is melted and cast into a right circular cone of height 25.2 cm. The radius of the base of the cone is

Radius of the sphere = 6.3 cm


Volume of a sphere



Volume of a cone




On recasting a sphere into a cone, volume will remain same




⇒ r = 6.3 cm

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