Find the Circumference of a Circle

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

Find the circumference (round to the nearest hundredth).

• 1.62 cm

• 2.51 cm

• 5.02 cm

• 50.24 cm

Find the circumference of the circle.

• 28.26 m

• 56.52 m

• 113.04 m

• 14.13 m

Find the circumference of the circle.

• 78.5

• 15.7 ft

• 62.8 ft

• 31.4 ft

Find the circumference of the circle.

• 125.6 km

• 31.4 km

• 62.8 km

• 15.7 km

Find the circumference of the circle.

• 75.36 yd

• 37.68 yd

• 18.84 yd

• 150.72 yd

Find the circumference of the circle.

• 15.54 cm

• 31.09 cm

• 62.17 cm

• 124.34 cm

Find the circumference of the circle.

• 18.84 cm

• 9.42 cm

• 37.68 cm

• 4.71 cm

A circle has a diameter of 17 inches. What is the circumference?

• 106.76 inches

• 53.38 inches

• 907.46 inches

• 34 inches

A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft