### Home > INT2 > Chapter 12 > Lesson 12.2.1 > Problem 12-68

12-68.

A rectangular prism has a cylindrical hole removed, as shown at right.

If the length of the radius of the cylindrical hole is

cm, what is the volume of the solid? Volume of cube − volume of cylinder = volume of solid.

Volume of cylinder

Volume of a cube

Volume of cube − volume of cylinder

What could this geometric figure represent? That is, if it were a model for something that exists in the world, what might it be? Also, how might you change it to make it a better model?