Circumference and Area of Circles

Front

How much paper will Blake use to cut 10 circles with a radius of 6 inches? Use 3.14 for 𝜋.

Back

1130.4 in²

Front

A wagon wheel has a diameter of 5 feet. What is the circumference of the wagon wheel to the nearest tenth of a foot? Use 3.14 for 𝜋.

Back

15.7 ft

Front

The top of a pickle jar has an opening with a radius of 8 centimeters. What is the circumference of the opening of the pickle jar to the nearest hundredth of a centimeter? Use 3.14 for 𝜋.

Back

50.24 cm

Front

What is the area of a circular disk with a diameter of 6 cm? Use 3.14 for 𝜋.

Back

28.26 cm²

Front

Area of a circular table top with radius 4 feet (Use 3.14 for 𝜋).

Back

50.24 cm²

Front

A button has a radius of 5 millimeters. What is the circumference of the button rounded to the nearest tenth of a millimeter? Use 3.14 for 𝜋.

Back

31.4 mm

Front

A large pizza has a diameter of 14 inches. A medium pizza has a diameter of 10 inches. How much larger is the area of the large pizza than the area of the medium pizza? Round your answer to the nearest hundredth of an inch. Use 3.14 for 𝜋.

Back

75.36 in²

Front

The diameter of the wheel on Wade's El Camino is 15 inches. If the wheel made 5 complete revolutions, how far would the wheel have rolled? Use 3.14 for 𝜋.

Back

235.50 in

Front

What would you do to determine the radius of a wheel with a circumference of 225 in.?

Back

Divide the circumference by 𝜋 to find the diameter; then divide the diameter by 2 to find the radius.

Front

The circumference of the clock in Jason's room is 43.96 in. ^{What would you do to determine the diameter of the clock?}

Back

Divide the circumference by 𝜋.