Pre-Algebra Practice Questions: Finding the Volume of Prisms and Cylinders

By Mark Zegarelli

To find the volume of a prism or cylinder, you can use the following formula, where Ab is the area of the base and h is the height:


Practice questions

  1. Find the volume of a prism with a base that has an area of 6 square centimeters and a height of 3 centimeters.
  2. Figure out the approximate volume of a cylinder whose base has a radius of 7 millimeters and whose height is 16 millimeters.

Answers and explanations

  1. 18 cubic centimeters
  2. Approximately 2,461.76 cubic millimeters

    First, use the area formula for a circle to find the area of the base:


    Plug this result into the formula for the volume of a cylinder: