### Home > GB8I > Chapter 3 Unit 4 > Lesson INT1: 3.1.6 > Problem 3-68

3-68.

The length of a side of a square is

Write an equation to represent this information.

To find the perimeter, add the side lengths. In this case we have a square which has four equal side lengths.

One possibility is

. Solve for

.What is the area of the square?

Remember to substitute

back into the original equation.