### Home > CCA > Chapter 3 > Lesson 3.2.1 > Problem3-39

3-39.

For each of the shapes formed by algebra tiles below:

• 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.

$4x+2y+6$

• See help for part (a).

$2x+4$

• See help for part (a).

$4y+2x+6$

• See help for part (a).

$2y+2x+6$