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Home > GC > Chapter 1 > Lesson 1.2.2 > Problem 1-65


The perimeter (the sum of the side lengths) of the triangle at right is units. Write and solve an equation based on the information in the diagram.

Use your solution for to find the measures of each side of the triangle. Be sure to confirm that your answer is correct.   

Find the sum of the side lengths.

The sum of the side lengths is the perimeter, which we know from the problem is units. Set expression from Step 1 equal to and solve for .

, If ,