Circles and Composite Figures

A circle has a diameter of 20.41 feet. Which measurement is closest to the circumference of the

circle in feet?

• 64 ft

• 3.25 ft

• 6.5 ft

• 3.14 ft

A circle has a radius of 8 centimeters. Which measurement is closest to the area of the circle in

square centimeters?

• 25.12 cm.²

• 200.96 cm.²

• 11.14 cm²

• 50.24 cm²

A circular trampoline has a diameter of 18 inches. Which measurement is closest to the area of the

trampoline in square inches?

• 254.34 in.²

• 1,017.36 in.²

• 56.52 in.²

• 14.13 in.²

Alberto is going to place a circular swimming pool with a radius of 24 ft. in his backyard. What

measurement is closest to the circumference of his swimming pool?

• 75.36 ft.²

• 37.68 ft.²

• 1808.64 ft.²

• 150.72 ft.²

Janet is creating a decorative tile using circles of 3 different sizes. The diameters of the two smaller

circles are displayed below. Using 3.14 to represent π, calculate the area of the area of the largest circle in square feet.

Typer only the number for your answer.

• 200.96

• 50.24

• 803.84

• 379.94

Sandy used a semicircle and a triangle to make the figure below. What is the best estimate of the area of the figure in square centimeters?

• 22 cm²

• 32 cm²

• 56 cm²

• 28 cm²

Rachel wanted to paint the area around the outside of her window as shown in the shaded area

below. The dimensions of the window are 2 feet by 5 feet. What is the total area that Rachel will paint?

• 24 ft²

• 34 ft²

• 14 ft²

• none of the above

A figure was drawn by placing the vertices of a circle on top of a square. Which measurement is

closest to the area of the shaded region of the figure in square centimeters?

• 27 ft²

• 20 ft²

• 22 ft²

• 10 ft.²