Act Perimeter

The length of a rectangle is 8 inches longer than its width. If the perimeter of the rectangle is 36 inches, what is the width, in inches?

• 13

• 10

• 5

• 4

• 3

The figure is composed of equilateral triangle ABD and another equilateral triangle BCD. The length of line AD is 12 inches. What is the perimeter of figure ABCD?

• 12

• 24

• 44

• 48

• 60

This polygon, whose side lengths are given in meters, has 2 unknown sides. Each angle between adjacent sides measure 90 degrees. What is the polygon's perimeter, in meters?

• 44

• 62

• 80

• 158

• 234

Joseph is constructing a rectangular fence for his garden. A diagram of the fence is shown. Which of the following expressions gives the perimeter of Joseph's fence?

• 3x + 5

• 3x + 10

• 6x + 10

• 6x + 20

• 2x squared + 11x - 6

The Summerdale Community Council is planning the renovation of a park in the center of the town. The park will be a rectangular region of 85 feet by 175 feet with an area of 14,875 square feet. There will be a wooden fence along the perimeter of the park. What is the total length of the fence, in feet?

• 250

• 340

• 410

• 480

• 520

A certain square has the same perimeter as a regular pentagon (a 5-sided polygon with all sides and interior angles congruent). If 1 side of the pentagon is 72 millimeters, how long is 1 side of this square?

• 45

• 60

• 75

• 90

• 135

The perimeter of a parallelogram is 76 inches, and the measure of 1 side is 17 inches. What are the lengths of the 3 remaining sides?

• 17, 17, 17

• 17, 17, 42

• 17, 20, 20

• 17, 21, 21

• Cannot be determined from the given information

• A

• B

• C

• D

• E

• A

• B

• C

• D

• E

• A

• B

• C

• D

• E