Circumference

Front

Diameter of a bowl is 14 cm. What is the circumference?

Back

43.98 cm

Front

Determine the radius of the penny: 59.66 mm, 9.5 mm, 38 mm, 119.32 mm

Back

9.5 mm

Front

What is the circumference of a circle with a radius of 8?

Back

16π

Front

A circular swimming pool is 21 feet in diameter. What is the circumference of the pool?

Back

65.97 ft

Front

If my radius is 10ft, what is my diameter?

Back

20ft

Front

Cynthia wants to buy a round photo frame for her brother. The radius of the photo frame is 9 cm. What is the photo frame’s diameter?

Back

18 cm

Front

What is the radius of a circle with a circumference of 18π?

Back

9

Front

What is the formula for finding the circumference of a circle?

Back

C = π·d

Front

What is the diameter of a circle with a circumference of 12π?

Back

12

Front

Radius of a cookie is 5 inches. What is the cookie’s circumference?

Back

31.4 in