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Asked By:  Bello Adewale

A cylindrical piece of metal of base radius 6cm and length 10cm is melted completely and recast into the shape of a child's toy. The toy consists of a right solid circular cone mounted on a solid hemisphere. The base of the cone fits exactly to the plane face of the hemisphere. Ignoring any loss of metal, calculate, correct to two decimal places,the: (a) radius of the hemisphere (b) volume of the hemisphere (c) total surface area of the toy. (Take π = 3.142)

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Answer of the Above Question

Answer By: Excellant

Volume of cylinder = 360 Pi Volume of toy comes to Pi r^3 (assuming radius and height of cone to be equal). Then r^3 = 360 You can make further calculations.

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