### Home > AC > Chapter 6 > Lesson 6.1.1 > Problem 6-7

6-7.

Solve the problem below using a Guess and Check table. **Note****:** *Be sure to put your work in a safe place, because you will need it for the next lesson*.

The perimeter of a triangle is

What must you guess and what must you check?

Guess side 1 and check that the perimeter

Side

Side

Use this information to create your Guess and Check chart.

Make sure the sides sum to