Circle Challenges: Area and Circumference for 6th Graders

A pizza has a radius of 10 inches. What is the area of the pizza?

• 50π square inches

• 200 square inches

• 75π square inches

• 100π square inches

A circular garden has a diameter of 12 feet. How long is the circumference of the garden?

• 31.4 feet

• Approximately 37.7 feet

• 50 feet

• 24 feet

If a circular swimming pool has a radius of 15 meters, what is the area of the pool?

• Approximately 900 square meters

• Approximately 706.86 square meters

• Approximately 350 square meters

• Approximately 500 square meters

A round table has a radius of 4 feet. What is the circumference of the table?

• 16π feet

• 8 feet

• 8π feet

• 12 feet

A bicycle wheel has a diameter of 26 inches. What is the area of the wheel?

• Approximately 600.75 square inches

• Approximately 530.14 square inches

• Approximately 250.50 square inches

• Approximately 400.25 square inches

A circular track has a radius of 50 meters. How far would you run if you completed one lap?

• 400 meters

• 314.16 meters

• 150 meters

• 250 meters

A clock has a radius of 6 inches. What is the area of the clock face?

• 18π square inches

• 24π square inches

• 12π square inches

• 36π square inches

A circular fountain has a diameter of 8 feet. What is the circumference of the fountain?

• 25.13 feet

• 31.42 feet

• 20.24 feet

• 15.70 feet

If a circular cake has a radius of 5 inches, what is the area of the cake?

• 15π square inches

• 30π square inches

• 20π square inches

• 25π square inches

A circular pond has a radius of 20 meters. How long is the circumference of the pond?

• 125.66 meters

• 157.08 meters

• 100 meters

• 62.83 meters