Answer:
By knowing the formulas for the volume of the solids.
Explanation:
To find it out, you need to know the formula for the solids shown such as the cone and the cylinder. The formula for the cone is 1/3hπr². The formula for the cylinder is hπr².
If you were asking for the answers,
Cone:
The radius for the cone is 12 inches.
Cylinder:
The height for the cylinder is 3.8 inches.