# ISEE Upper Level Math : How to find the volume of a prism

## Example Questions

### Example Question #1 : How To Find The Volume Of A Prism

A rectangular prism has a width of 3 inches, a length of 6 inches, and a height triple its length. Find the volume of the prism.

Explanation:

A rectangular prism has a width of 3 inches, a length of 6 inches, and a height triple its length. Find the volume of the prism.

Find the volume of a rectangular prism via the following:

Where l, w, and h are the length width and height, respectively.

We know our length and width, and we are told that our height is triple the length, so...

Now that we have all our measurements, plug them in and solve:

### Example Question #3 : Solid Geometry

The above diagram shows a rectangular solid. The shaded side is a square. In terms of , give the volume of the box.

Explanation:

A square has four sides of equal length, as seen in the diagram below.

The volume of the solid is equal to the product of its length, width, and height, as follows:

.