Circumference of Circles

Front

What is the circumference of a circle with a radius of 33 ft?

Back

207.2 ft

Front

What does C represent in the formula: C = π·d?

Back

Circumference

Front

What does d represent in the formula: C = π·d?

Back

diameter

Front

What is the diameter of a circle?

Back

a line through the center of a circle

Front

What is the circumference of a circle?

Back

the distance around a circle

Front

What number represents π?
Options: 31.4, 4.13, 3.14, 34.1

Back

3.14

Front

Find the circumference of the circle.

Back

31.4 cm

Front

Find the circumference of the circle.

Back

15.7 cm

Front

Find the circumference of the circle.

Back

37.7 cm

Front

Find the circumference of the circle.

Back

28.26 cm