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 = π x r, C = π x 2r, C = π x D, C = π x 2D

Back

C = π x D

Front

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

Back

C = pi x 2r

Front

What is the diameter? Options: 8, 16, 10, 4

Back

16

Front

What is the circumference? Options: 50.24, 53.24, 63.24, 75.24

Back

50.24

Front

What is the radius? Options: 18, 72, 38, 14

Back

18

Front

What is the circumference? Options: 36, 18pi, 108pi, 36pi

Back

36pi

Front

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

Back

43.96 cm