Circumference

Front

Circumference

Back

Distance around a circle

Front

Does this picture show the diameter or radius of a circle?

Back

Diameter

Front

Does this picture show the diameter or radius of a circle?

Back

Radius

Front

What is the formula for circumference of a circle given the diameter? Options: C = pi x r, C = pi x 2r, C = pi x D, C = pi x 2D

Back

C = pi x D

Front

What is the formula for circumference of a circle given the radius?

Back

C = pi x 2r

Front

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

Back

43.98 cm

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

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

Back

9.5 mm

Front

Circumference of the circle? Options: 3.14 cm, 37.7 cm, 24 cm, 68.4 cm

Back

37.7 cm

Front

What is the circumference of this circle? Round to the nearest tenth.

Back

37.7 cm