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Home > CC1 > Chapter 6 > Lesson 6.2.5 > Problem 6-115


Sketch the algebra-tile shape at right on your paper. Write an expression for the perimeter of the shape. Then find the perimeter for each of the given values of .

Find the perimeter as you did in problems 6-96 and 6-106, including as part of the expression.

1 vertical x tile, with 1 x squared tile connected on the right side, and 1 unit tile connected on top, aligned on the left.

Substitute for in the expression of the perimeter.

Evaluate the expression.


  • Substitute for in the expression of the perimeter and evaluate.


  • See part (a) or (b).