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

6-7.

What must you guess and what must you check?

Guess side 1 and check that the perimeter = 31 What is the relationship between side 1 and the other sides?

Side 1 = Side 2

Side 3 = 2(Side 1) − 1

Use this information to create your Guess and Check chart.

Make sure the sides sum to 31.