# How do you find the diagonal of a rectangle whose sides are 20 and 48?

##### 1 Answer

Apr 21, 2018

See a solution process below:

#### Explanation:

The corners of a rectangle are right angles. Therefore, we can find the diagonal of a rectangle using the Pythagorean Theorem where the sides of the rectangle are the sides of the right triangle and the diagonal is the hypotenuse.

The Pythagorean Theorem states:

Substituting for

The diagonal of the rectangle would be **52** units.