Chapter 15 Review

Find the perimeter of the polygon

Find the unknown side length. The perimeter is 28 feet.

Circle the two rectangles with the same perimeter

Answer explanation

6+6+4+4=20

6+6+5+5=22

8+8+3+3=22

Circle the two rectangles with the same area

Answer explanation

6x3=18

4x3=12

6x2=12

The perimeter of the rectangular garden is 52 feet. What are the lengths of the other three sides?

How much greater is the perimeter of your piece of fabric than the perimeter of your friend’s piece of fabric?

The dimensions of a rectangle are 3 meters by 6 meters. Which rectangle has the same perimeter, but a lesser area?

• 4 by 5

• 2 by 5

• 1 by 8

The left length is 2 centimeters more than the right. Find the perimeter of the trapezoid.

You have 30 square pieces of T-shirt that are each 1 foot long and 1 foot wide. You want to make a rectangular T-shirt quilt with all of the pieces. How long and wide will your quilt be?

Type in 2 numbers, one for the length and one for the width (Example: 1 1)

Each polygon has equal side lengths that are whole numbers. Which polygons could have a perimeter of 12 inches? Choose ALL that apply.

• Hexagon

• Triangle

• Rhombus

• Pentagon