Free Printable Circumference of Circles 2

1.

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

(Use your learning tools if you can't remember!)

a)

20ft

b)

5ft

c)

31.4ft

d)

62.8ft

2.

A circular swimming pool is 21 feet in diameter.
How many feet around (circumference) is the pool? USE 3.14 FOR $\pi$ .

(Draw a picture of a circle on your page to help you)

a)

10.5 ft

b)

42 ft

c)

65.94 ft

d)

131.95 ft

3.

Which formula can you use to find the circumference of a circle?

a)

$C=\pi r^2$

b)

$C=\pi r$

c)

$C=\pi d$

4.

The diameter of a circle is 3 centimeters. What is the circumference? USE 3.14 FOR $\pi$

a)

11.5 cm

b)

9.42 cm

c)

18.84 cm

d)

45.3 cm

5.

What is the circumference? Leave your answer in terms of $\pi$

a)

$36\ ft$

b)

$18\pi\$ ft

c)

$108\pi$ ft

d)

$36\pi$ ft

6.

What is the circumference of the circle?
Leave your answer in terms of $\pi$

a)

$14\pi$

b)

$7\pi$

c)

$28\pi$

7.

What is the radius of this circle?

a)

18

b)

10

c)

9

d)

8

8.

What is the diameter of this circle?

a)

3.5

b)

3

c)

5

d)

7

9.

Find the circumference of the circle. Use 3.14 for $\pi$

a)

87.82

b)

153.86

c)

43.96

d)

307.72

10.

If the diameter of a circle is 50 yards, the radius is _____

a)

100 yards

b)

25 yards

c)

150 yards

d)

15 yards

11.

What is the circumference of this circle? Leave your answer in terms of $\pi$

a)

$64\pi\ cm$

b)

$16\pi\ cm$

c)

$4\pi\ cm$

d)

$8\pi\ cm$

12.

Find the circumference (Use 3.14 for $\pi$ . Round to the nearest whole number)

a)

88 in

b)

44 in

c)

116 square in

d)

None of the above

Circumference of Circles 2

Total questions: 12

Worksheet time: 1hrs 18mins

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