Circles!

Front

What is the diameter?

Back

16 cm

Front

What is the radius?

Back

18 ft

Front

Find the radius of a circle who's diameter is 40 ft.

Back

20 ft

Front

The radius of a circle is

Back

The measurement from the center of a circle to an edge of the circle.

Front

What is the diameter of a circle?

Back

The distance from an edge of a circle to another edge through the center.

Front

Circumference

Back

Distance around a circle

Front

True or False: An equation for Circumference is C = πr²

Back

False

Front

Determine the radius of the penny.

Back

9.5 mm

Front

Ring with diameter of 3.5 feet. Calculate circumference using π = 3.

Back

10.5 ft

Front

The circumference is 66 inches. What is the radius? Use π = 3.

Back

11 inches