A rectangular prism also known as a cuboid is a 3-dimensional object which has six faces that are rectangles. It has the same cross-section along a length, which makes it a prism.
Formula volume of rectangular prism.
![How to Calculate Volume of a Rectangular Prism.](https://www.learntocalculate.com/wp-content/uploads/2020/04/Volume-of-a-cuboid.png)
Example:
Find the volume the of the following rectangular prism.
![How to Calculate Volume of a Rectangular Prism.](https://www.learntocalculate.com/wp-content/uploads/2020/04/Volume-of-a-cuboid-2.png)
Hence the volume of the rectangular prism is 120 cm³.