Perimeter of Shapes with Variables

The distance around the edge of a polygon is the ____

• Perimeter

• Radius

• Area

• Circumference

The perimeter is 40 ft. What is the length of the missing side?

• 12 ft

• 10 ft

• 3 ft

• 24 ft

What is the missing length if the perimeter is 30 cm?

• 12 cm

• 13 cm

• 30 cm

• 5 cm

A rectangular playground is 8 meters long. The length is 3 meters longer than the width. What is the perimeter of the playground?

• 20 meters

• 13 meters

• 16 meters

• 26 meters

The perimeter of this square is 16 ft. What is the length of one side of the square?

• 36 in

• 40 in

• 48 in

• 60 in

A rectangle has width (2x + 3) and length (2x - 4).  What is the perimeter of the rectangle?

• 4x - 12

• 4x - 1

• 8x - 2

• 4x² - 2x - 12

What is the perimeter for the given rectangle:

• 6x³ - 9x² + 10x - 15

• 6x² + 1x - 15

• 6x² + 4x + 4

• 6x³ + 1x² - 15x

Find the perimeter of the rectangle

• P= 10x + 2

• P= 12x

• P = 12

• P = 6x² + 3x

Find the perimeter of the Composite shape. Remember to use your parallel lines to find the missing sides.

Find the perimeter of the Composite shape. Remember to use your parallel lines to find the missing sides.