Circumference

Front

What is the diameter of the circle in the image?

Back

20

Front

If the diameter of a circle is 4, what is the radius?

Back

2

Front

If r = 4, d = ?

Back

8

Front

If d = 3, r = ?

Back

1.5

Front

The circumference of a circle is the ________.

Back

distance around it

Front

Find the circumference of the circle in the image.

Back

20π

Front

A circle has a diameter of 4 cm. What is its circumference?

Back

4π cm

Front

A circle has a radius of 9 cm. What is its circumference?

Back

18π cm

Front

A circle has a circumference of 40π inches. What is its diameter?

Back

40 in

Front

A circle has a circumference of 28π inches. What is its radius?

Back

14 in