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Worksheets

Circles: Circumference G&P

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

Does this picture show the diameter or radius of a circle?

a)

Diameter

b)

Radius

2.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
3.

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

a)

3 m

b)

2 m

c)

9 m

d)

18 m

4.

If the diameter is 18 inches, what is the approximate circumference of the circle?

a)

18

b)

56.52

c)

54

d)

6

5.

Find the circumference of a circle with a diameter of 11 millimeters.

a)

22 mm

b)

3 mm

c)

33 mm

d)

34.54 mm

6.
What does "circumference" mean?
a)
Space a circle takes up
b)
Distance around a circle
c)
Line from one side of a circle to another
d)
Line from center of circle to side
7.

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

a)

28 cm

b)

43.96 cm

c)

87.96 cm

d)

7 cm

8.

What is the diameter?

a)

The distance around the circle

b)

The distance across the circle, through the center

c)

The distance from the center to the outside edge

d)

The space inside the circle

9.

If the circumference of a circle is 28.26 inches, what is the diameter?

a)

about 9 inches

b)

about 4 inches

c)

about 3 inches

d)

about 85 inches

10.

If the circumference of a circle is 31.4 feet, what is the approximate diameter?

a)

10 feet

b)

5 feet

c)

90 feet

d)

99 feet

11.

Find the circumference of a circle with a diameter of 6 inches. Use 3.14 for π.

a)

6 inches

b)

18.84 inches

c)

9.42 inches

d)

37.68 inches

12.

Find the circumference of a circle with a radius of 7 inches.

Use 22/7 for π

a)

44 inches

b)

22 inches

c)

154 inches

d)

43.96 inches

13.
Find the circumference of the circle
a)
21.98
b)
153.86
c)
43.96
d)
615.44
14.
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)?
a)
11.32 ft
b)
12.25 ft
c)
10.99 ft
d)
8.75 ft
15.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm