Question

A solid toy is in the form of a hemisphere surmounted by a right circular cone. The height of the cone is 4 cm and diameter of the base is 8 cm. Determine the volume of the toy. If the cube circumscribes the toy, then find the difference of the volumes of the cube and the toy. Also, find the total surface area of the toy.
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Answer 1

Step-by-step explanation:

volume of the toy=volume of the hemisphere +volume of the right circular cone

total surface area of toy =total surface area of hemisphere +total surface area of right circular cone

use the above formula