### Home > CC4 > Chapter 3 > Lesson 3.2.1 > Problem 3-77

3-77.

For each of the polygons formed by algebra tiles below: Homework Help ✎

Sketch and label the shape on your paper and write an expression that represents the perimeter.

Simplify your perimeter expression as much as possible.

Start by labeling the sides.

*x*+ 1 +*y*+ 1 +*x*+ 1 +*x*+ 1 +*y*+ 1 +*x*+ 1

Combine like terms.4

*x*+ 2*y*+ 6

See the help for part (a).

2

*x*+ 4

2

*x*+ 4*y*+ 6

See the help for part (a).

2

*x*+ 2*y*+ 6