3. Example Problem IV

A solid toy is in the form of a hemisphere surmounted by a right circular cone. The height of the cone is $2 cm$ and the diameter of the base is $4 cm$. Determine the volume of the toy. If a right circular cylinder circumscribes the toy, find the difference of the volumes of the cylinder and the toy. (Take $\pi= 3.14$)

 

 

 

Required answer $=$ $cm^3$

 

Note: Enter the answer upto two decimal places.