Free Printable Circumference and Area of Circles

Worksheets

Circumference and Area of Circles

Total questions: 10

Worksheet time: 30mins

Name

Class

Date

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

6.25 meters

125 meters

25 meters

50 meters

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

c = π15

C = 2π15

c = 15 ÷ π

c = 15 π²

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

31.25 m²

29.55 m²

30.36 m²

28.26 m²

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

225 cm

30 cm

15 cm

112.5 cm

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

11.32 ft

12.25 ft

10.99 ft

8.75 ft

A circle pool has a radius of 7.5 ft. Monica wants to know how many ft of a pool cover she needs to buy?

23.55 ft²

176.63 ft²

47.1 ft²

706.5 ft²

The stained glass window is a semicircle. What is the distance around the window?

40.82 inches

66.82 inches

81.64 inches

107.64 inches

What is the area of this circle?

1256.64 sq. in.

31.41 sq. in.

314.16 sq. in.

123.12 sq. in.

A city is designing a new garden. A scale drawing of the garden is shown below. What is the circumference of the garden?

628 feet

200 feet

100 feet

542 feet

10.

A large pizza has a diameter of 14 inches. A medium pizza has a diameter of 10 inches. How much larger is the area of the large pizza than the area of the medium pizza?

Round your answer to the nearest hundredth of an inch.

Use 3.14 for 𝜋.

12.56 in²

50.24 in²

75.36 in²

78.50 in²

153.86 in²

100 %

Circumference and Area of Circles

Total questions: 10

Worksheet time: 30mins

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