### Home > CCA > Chapter 5 > Lesson 5.2.1 > Problem 5-47

5-47.

The area of a square is

Make a diagram and determine the length of each side.

Find the length of one of the sides of the square and use the sides to find the diagonal.

Use the Pythagorean Theorem to find the length of the square's diagonal.

The Pythagorean Theorem is the following:

The length of the diagonal is