NCERT Example 1 - Surface Areas and Volumes
Question: Rasheed got a playing top (lattu) as his birthday present, which surprisingly had no colour on it. He wanted to colour it with his crayons. The top is shaped like a cone surmounted by a hemisphere (see Fig. 12.6). The entire top is 5 cm in height and the diameter of the top is 3.5 cm. Find the area he has to colour. (Take pi = 22/7)
Answer: The area to colour is approximately 39.6 cm^2.
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