Area and Circumference of a Circle

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m²

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

What is the area of this circle?

• 163.24 cm²

• 15.32 cm²

• 124.24 cm²

• 113.04 cm²

Which best represents the area of a circle with a radius of 8 inches?

• 200.96 inches

• 50.24 inches

• 192.14 inches

• 31.4 inches

• 19 units

• 13 units

• 36 units

• 18 units

The most popular size pizza at Pizza Parlor is a large pizza with a 12-inch radius. Which of the following best represents the circumference of this pizza?

• 62.84 inches

• 60 inches

• 75.36 inches

• 452.16 inches

What is the distance around a circle?

• Circumference

• Area

• Diameter

• Radius

Does 7 inches represent the diameter or radius of the circle?

• Diameter

• Radius

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

What is the circumference of a circle with a radius of 54 m?

• 339.12 m

• 169.56 m

• 84.78 m