Area and Circumference

Front

Is the red line a radius or diameter of the circle?

Back

Radius

Front

What is the diameter? Options: 8, 16, 10, 4

Back

16

Front

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

Back

2 ft

Front

What is the area of a circle?

Back

The space inside the circle.

Front

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

Back

c = 15π

Front

Find the circumference of the circle.

Back

56.52

Front

Find the area of the circle

Back

153.86

Front

What is the area of this circle?

Back

1134.11

Front

Jayne has a circular lollipop with a circumference of 25.12 inches. What is the diameter? Use π = 3.14.

Back

8 in.

Front

The circumference is 62.8 inches. What is the radius?

Back

10 inches