Circles

Front

Tom has a circular clock with a circumference of 39.88 inches. What is the radius of Tom's clock, to the nearest hundredth of an inch? (Use 3.14 for pi)

Back

6.35 inches

Front

Diameter of pizza: 14 in. What is the approximate area?

Back

154 square inches

Front

Approximate area of a circle with a diameter of 6.2 inches?

Back

30.2 square inches

Front

Joe made a model of a door out of a piece of cardboard. The amount of cardboard used for the square, bottom portion of the model is shown in the diagram below. Approximately how much cardboard did he use in all to make the model? Options: 828 square inches, 1,092 square inches, 1,400 square inches, 2,016 square inches.

Back

1,092 square inches

Front

The diameter of a tractor’s wheel is 4 ft. Approximately how many complete turns will the wheel make if it travels 64 ft?

Back

5

Front

Jack cut out two fabric circles of different sizes. The larger circle has a circumference of 22 inches, and the smaller circle has a circumference of 14 inches. What is the total area, to the nearest hundredth of a square inch, of the two circles? (Use 3.14 for pi)

Back

54.14 square inches

Front

A circle has a circumference of about 54 in. What is the approximate measure of the diameter?

Back

17 in

Front

Back

942 ft

Front

Back

86 square centimeters

Front

Back

68.13