Real-World Circle Problems: Exploring Circle Properties

A circular garden has a diameter of 10 meters. What is the radius of the garden?

• 7 meters

• 10 meters

• 3 meters

• 5 meters

If a pizza has a radius of 8 inches, what is the circumference of the pizza? (Use π ≈ 3.14)

• 50.24 inches

• 25.12 inches

• 40.96 inches

• 62.83 inches

A circular swimming pool has a radius of 5 meters. How much water (in square meters) is needed to cover the surface of the pool?

• 20π square meters

• 30π square meters

• 25π square meters

• 15π square meters

A bicycle wheel has a diameter of 26 inches. How far does the bicycle travel in one complete rotation of the wheel? (Use π ≈ 3.14)

• 78.5 inches

• 81.64 inches

• 90 inches

• 85.3 inches

A circular track has a circumference of 400 meters. What is the radius of the track? (Use π ≈ 3.14)

• 50 meters

• 80 meters

• 100 meters

• 63.66 meters

A round table has a diameter of 1.2 meters. What is the area of the tabletop? (Use π ≈ 3.14)

• 0.904 square meters

• 1.256 square meters

• 1.570 square meters

• 1.1304 square meters

A circular fountain has a radius of 3 meters. How much space does the fountain occupy? (Use π ≈ 3.14)

• 18.84 square meters

• 28.26 square meters

• 31.42 square meters

• 12.56 square meters

If a circular pizza has a diameter of 12 inches, what is the area of the pizza? (Use π ≈ 3.14)

• 113.10 square inches

• 150.72 square inches

• 78.54 square inches

• 113.04 square inches

A circular clock has a radius of 15 cm. What is the distance around the clock? (Use π ≈ 3.14)

• 30 cm

• 94.2 cm

• 60 cm

• 75 cm

A circular garden is to be fenced with a length of 31.4 meters. What is the radius of the garden? (Use π ≈ 3.14)

• 7 meters

• 3 meters

• 5 meters

• 10 meters