### Home > CAAC > Chapter 3 > Lesson 3.1.6 > Problem 3-58

3-58.

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

Once you find an expression for the perimeter, substitute 3 for *x* and 7 for *y*.

28 units

3-58.

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

Once you find an expression for the perimeter, substitute 3 for *x* and 7 for *y*.

28 units