Free Printable Perimeter of a Circle

Worksheets

Perimeter of a Circle

Total questions: 25

Worksheet time: 50mins

Name

Class

Date

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

18.5

11.3

20.3

22.6

What is the radius of this circle?

20 in

10 in

40 in

10 in²

The radius of the circle is 9 meters. What is the circle's circumference?

9 meters

28.26 meters

56.52 meters

18 meters

Find the circumference of a circle with a radius of 12.5 mm.

37.68mm

18.84mm

78.5mm

none of the above

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

20ft

5ft

31.4ft

62.8ft

what is the circumference of this circle ?

3.14 cm

37.68 cm

24 cm

68.4 cm

The diameter of a circle is:

The measurement around the circle.

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

The distance from the center of the circle to an edge of a circle

The distance from an edge of a circle to another edge through the center.

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

what is the circumference of this circle ?

3.14 cm

37.68 cm

24 cm

68.4 cm

10.

Quick check: The circumference describes the

space inside the circle

distance around the circle (perimeter)

11.

What is the distance around a circle?

Circumference

Area

Diameter

Radius

12.

Find the perimeter.

about 116 cm

about 72 cm

about 88 cm

about 44 cm

13.

What is the circumference of this circle?

78.5 m

31.4 m

15.7 m

3.14 m

14.

This is a picture of ___________.

Chord

Diameter

Radius

Inscribed Angle

15.

What is twice the size of radius of a circle.

Chord

Radius

Diameter

Centre point

16.

This is a picture of a ______________________

Chord

Diameter

Centre point of a circle

Radius

17.

_{What is the diameter?}

5 in

10 in

3.14 in

15.84 in

18.

What is the circumference of this circle ?

6 $\pi$ cm

12 $\pi$ cm

24 $\pi$ cm

68.4 $\pi$ cm

19.

Find the circumference of the circle. (Round it to one decimal place)

31.4 cm

78.5 cm

314 cm

15.7 cm

20.

What formula is this used for:
πr²

Circumference

Area

Surface Area

Volume

21.

What formula is this used for:
πd

Area

Circumference

Surface Area

Volume

22.

Radius 5 in
Find the area of the circle.

15.7 inches²

31.4 inches²

314 inches²

78.5 inches²

23.

Diameter 14 inches
Find the area of a circle.

615.44 in²

153.86 in²

43.96 in²

87.92 in²

24.

What is the radius?

25.

The space contained inside of a circle is called the...

radius

diameter

circumference

area

Reset

Perimeter of a Circle

Total questions: 25

Worksheet time: 50mins

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