Free Printable Circumference Online Practice

Worksheets

Name

Class

Date

What is the formula for a circumference?

$D\cdot\pi$

$2\cdot R\cdot2$

$R\cdot\pi$

$R\cdot D$

What is the circumference of this circle? Use 3.14

Round to the nearest hundredth

(a)

What is the circumference of this circle? Use 3.14

Round to the nearest tenth

(a)

Mia's bike has wheels with 14 inch diameters. What is the circumference of each wheel?

Use 3.14 and round to the nearest hundredth.

(a)

A dinner plate has a radius of 6 centimeters. What is the circumference?

Use 3.14 and round to the nearest hundredth.

(a)

What is the circumference of a pizza with a 16-inch diameter?

Use 3.14 and round to the nearest hundredth.

(a)

Find the diameter of a circle with a circumference of 40.82 inches.

12 inches

13 inches

20.41 inches

22 inches

Find the radius of a circle with a circumference of 423.9 inches.

67.5 inches

62.5 inches

167.5 inches

135 inches

The circumference is 62.8 inches. What is the radius in inches?

Use 3.14

(a)

10.

Find the diameter of a circle with a circumference of 25.12 inches.

Use 3.14

(a)

11.

Determine the radius of the penny

Use 3.14 and round to the nearest tenth.

(a)

12.

If my radius is 10ft, what is my diameter?

(a)

100 %

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