Circumference and Area of Circles

Front

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

Back

c = π15

Front

If the radius of a circle is 12.5 meters, the diameter is ____

Back

25 meters

Front

What is the radius of this circle? Options: 12cm, 6cm, 24cm, 3cm

Back

6cm

Front

The radius is 8 inches. What is the circumference?

Back

50.24 inches

Front

Compass with a radius of 4 cm. What is the area?

Back

50.24 cm²

Front

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

Back

28.26 m²

Front

Jayne has a circular lollipop with a circumference of 25.12 inches. What is the diameter? Use π = 3.14. Options: 4 in., 8 in., 12 in., 16 in.

Back

8 in.

Front

The circumference is 62.8 inches. What is the radius?

Back

10 inches

Front

A circular pie has an area of 706.5 cm². What is the radius of the pie?

Back

15 cm

Front

Ring's circumference with diameter 3.5 feet (use 3.14 for pi)?

Back

10.99 ft