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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 cm. Sides # and # have equal length, while Side # is one centimeter shorter than twice the length of Side #. How long is each side?

What must you guess and what must you check?

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

Side Side

Side (Side )

Use this information to create your Guess and Check chart.

Make sure the sides sum to .