Circles, Area, and Perimeter

A circular plate has a diameter of 15 inches. Which is closest to the area of this plate?

• 24 square inches

• 47 square inches

• 177 square inches

• 707 square inches

2) The radius of a circular swimming pool is 8.5 yards. What is the circumference of the swimming pool?

• 53 yards

• 53 square yards

• 107 yards

• 107 square yards

The diameter of a wheel on this bicycle is 22 inches. What is the circumference of a wheel on this bicycle?

• 34.54 inches

• 69.08 inches

• 379.94 inches

• 1,519.8 inches

A puppy's circular water container has a radius of 14 centimeters. Identify each true statement.

• The diameter of the water container is 28 cm.

• The diameter of the water container is 7 cm.

• The circumference of the water container is about 88 cm.

• The circumference of the water container is about 22 cm.

Look at circle B. Which expression represents an approximate value for pi?

• 55.89 + 17.8

• 55.89 - 17.8

• 55.89 x 17.8

• 55.89 ÷ 17.8

The radius of a circular swimming pool is 7.8 meters. Which is closest to the circumference of this swimming pool?

• 24.49 meters

• 47.76 meters

• 48.98 meters

• 191.04 meters

The diameter of a circular table is 6 feet. Which of the following is closest to the area of the table top?

• 9.42 square feet

• 18.84 square feet

• 28.26 square feet

• 113.04 square feet

Victor measured a circular lid and found d, the diameter, was 8 inches and C, the circumference, was 25 inches. Which expression represents an approximate value for π?

• 25 + 8

• 25 ÷ 8

• 25 x 8

• 25 - 8