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8-25.

Solve the problem below by defining a variable and then writing and solving an equation.  

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?

Refer to the Math Notes box in Lesson 1.1.3 to review the 5-D Process.

 

Make sure the sides sum to .


What is the length of Side ?