# Volumes of Solids

- Area is only one of the many applications of the definite integral.
- Another important application is its use in finding the volume of a three-dimensional solid.
- This section involves particular types of three-dimensional solidâ€”one whose cross sections are similar.

- Solids of revolution and volume by known cross section are used commonly in engineering and manufacturing.

## Essential Questions

Essential Questions

### How can the volume of a solid be found using integration?

How can the volume of a solid be found using integration?

## Skills

Skills

- Find the volume of a solid of revolution using the disk method.
- Find the volume of a solid of revolution using the washer method.
- Find the volume of a solid with known cross sections.