Circumference of Circles

The definition of circumference is

• distance from the center of any point on the circle

• distance from one point to another

• distance around the circle

• distance from the center of any point on the circle

If my radius is 2 yd what is the circumference?

• 4 yd

• 1 yd

• 12.56 yd

• 6.28 yd

If my diameter is 90cm, what is my circumference?

• 282.6cm

• 180 cm

• 90cm

• 565.2cm

Find the circumference with a radius of 5.8 cm.

• 37 cm

• 38.3 cm

• 36.4 cm

• 42.7 cm

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 

• 9.42 m

• 12 m

• 18.84 m

The circumference of a circle is 25.12 cm. What is the diameter to the nearest centimeter?

• 4 cm

• 8 cm

• 25 cm

• 75 cm

The distance around a circular dance hall room is 135 feet. Which of the following is closest to the longest distance across the dance hall?

• 19 feet

• 28 feet

• 36 feet

• 43 feet

Find the radius if the circumference is 14.444