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Home > CC3 > Chapter 3 > Lesson 3.1.6 > Problem 3-59

3-59.

Write an expression that represents the perimeter of the shape built with algebra tiles at right. Then find the perimeter if units and units. Homework Help ✎

Algebra Tiles

Find the length of each side, and then sum the lengths.

Once you find an expression for the perimeter, substitute for and for .

units

Algebra Tiles