Circumference Review

Front

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

Back

Diameter

Front

If the diameter of a bowl is 14 cm, what is the circumference?

Back

43.98 cm

Front

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

Back

37.7 cm

Front

What number represents π?

Back

3.14

Front

What is the radius of a circle with a diameter of 4 yd?

Back

2 yd

Front

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

Back

C = π·d or C = 2·π·r

Front

If the radius of a circle is 5 cm, what is the diameter?

Back

10 cm

Front

How do you calculate the circumference if you only have the radius?

Back

Use the formula C = 2·π·r.

Front

What is the circumference of a circle with a radius of 3 cm?

Back

18.84 cm

Front

If a circle has a circumference of 31.4 cm, what is its diameter?

Back

10 cm