### Home > MC2 > Chapter 7 > Lesson 7.1.4 > Problem 7-41

7-41.

Perimeter is the sum of the lengths of all the sides.

Create an expression comparing each side with the shortest side represented by *x*.

Two Shortest Sides: *x*

Third Side: 12 + *x*

Fourth Side: 3*x* − 9

Perimeter: 117 cm

Shortest Sides: 19 cm

What are the other side lengths?

Be sure to know how to get this length.