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Solution - Surface Area of a Combination of Solids

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Question

A solid wooden toy is in the form of a hemisphere surrounded by a cone of same radius. The radius of hemisphere is 3.5 cm and the total wood used in the making of toy is 166 `5/6`  cm3. Find the height of the toy. Also, find the cost of painting the hemispherical part of the toy at the rate of Rs 10 per cm2 .[Use`pi=22/7`]

Solution

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Reference Material

Solution for concept: Surface Area of a Combination of Solids. For the course 8th-10th CBSE
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