Mathematics
The adjoining figure shows a hemisphere of radius 5 cm surmounted by a right circular cone of base radius 5 cm. Find the volume of the solid if the height of the cone is 7 cm. Give your answer correct to two places of decimal.
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Answer
Height of the conical part (h) = 7 cm.
Radius of base (r) = 5 cm.
Volume of solid (V) = Volume of hemisphere + Volume of cone
Hence, the volume of the solid is 445.24 cm3.
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