how do you find the volume of a parallelogram?

You can't.

A parallelogram is a plane figure and has an area, but not a volume.

I'm sorry, but there seems to be a confusion. A parallelogram is a two-dimensional shape, so it does not have a volume. The volume is a measure of space, and it is typically used to find the amount of three-dimensional objects such as cubes, spheres, or cylinders.

If you meant to ask about the volume of a parallelepiped, which is a three-dimensional shape that is similar to a parallelogram, then the formula to find its volume is:

Volume = Base Area × Height

To calculate the volume of a parallelepiped, you first need to determine the area of the base, which is usually a parallelogram. To find the area of a parallelogram, you multiply the length of the base by the height perpendicular to the base. After finding the area of the base, you then multiply it by the height of the parallelepiped to get the volume.

In summary:
1. Find the area of the base parallelogram (base × height).
2. Multiply the area of the base by the height of the parallelepiped.
3. The result will be the volume of the parallelepiped.