Free Printable Circle (Circumference and Area)

Worksheets

Circle (Circumference and Area)

Total questions: 25

Worksheet time: 1hrs 1mins

Name

Class

Date

It is the distance from the center to any point in the circle.

Circumference

Diameter

Segment

Radius

What is the radius?

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

The radius is 8 inches. What is the circumference?

50.24 inches

25.12 inches

12.56 inches

200.96 inches

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

49.2 cm²

45.6 cm²

50.24 cm²

55.9 cm²

What is the radius of this circle?

12cm

6cm

24cm

3cm

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

6.25 meters

125 meters

25 meters

50 meters

The diameter of a circle is . . . .

1/2 of the radius

the radius squared

radius divided by Pi

twice the radius

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

10.

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

4 in.

8 in.

12 in.

16 in.

11.

The circumference is 62.8 inches. What is the radius?

20 inches

10 inches

6.28 inches

31.4 inches

12.

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

13.

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

14.

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

15.

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

16.

Find the circumference of the circle.

18.8 cm

113 cm

37.7 cm

452.2 cm

17.

A pizza has a diameter of 12 inches. What is the area of the pizza?

$A\ =\ \pi r^2$

452.16

113.04

18.84

37.68

18.

A farmer grows potatoes on a circular plot of land that has a radius of 20 meters. Each potato plant requires 2 square meters of soil. What is the maximum number of potato plants the farmer can grow?

628

1256

2512

19.

What is the diameter?

20.

What is the circumference?

21.

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

22.

Ellen baked a pie for her family dinner. She put foil around the edge of the pie while it was baking. What was the length of the foil, if the radius of the pie is 4 inches?

25.12

12.56

15.7

37.68

23.

I measured from the center of the wheel to the outside edge and it was 62.2 cm. What is the circumference of the wheel? Use 3.14 for pi.

62.2 cm

195.308 cm

124.4 cm

390.616 cm

24.

The radius of this pizza is 9.5 in. What is the approximate area of the pizza rounded to the nearest tenth? (Use 3.14 for $\pi$ )

81 in²

29.8 in2

59.7 in2

283.4 in2

25.

The circumference of a circle is

The measurement from an edge of a circle to another edge.

The measurement around the circle

The measurement from an edge of a circle to another edge going through the center

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

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Circle (Circumference and Area)

Total questions: 25

Worksheet time: 1hrs 1mins

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