WorksheetsCircumference
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
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
2.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
3.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
4.
What is the formula for circumference of a circle given the diameter?
a)
C = pi x r
b)
C = pi x 2r
c)
C = pi x D
d)
C = pi x 2D
5.
What is the formula for circumference of a circle given the radius?
a)
C = pi x r
b)
C = pi x 2r
c)
C = pi x D
d)
C = pi x 2D
6.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
7.
What is the circumference?
a)
48
b)
96
c)
24
d)
18
8.
What is the radius?
a)
18
b)
72
c)
38
d)
14
9.
What is the circumference?
a)
36
b)
18pi
c)
108pi
d)
36pi
10.
Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?
a)
28 cm
b)
43.98 cm
c)
87.96 cm
d)
7 cm
11.
Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in
12.
Cynthia wants to buy a round photo frame for her brother. The radius of the photo frame is 9 cm. What is the photo frame’s diameter?
a)
28.26 cm
b)
56.52 cm
c)
4.5 cm
d)
18 cm
13.
A circular swimming pool is 21 feet in diameter. What is the circumference of the pool?
a)
10.5 ft
b)
42 ft
c)
65.97 ft
d)
131.95 ft
14.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
15.
What is the circumference of this circle?
a)
3.14 cm
b)
37.7 cm
c)
24 cm
d)
68.4 cm
16.
Find the circumference of a circle with a diameter of 11 millimeters.
a)
34.6 mm
b)
30 mm
c)
25.3 mm
d)
34.54 cm
17.
Find the circumference of a circle with a radius of 12.5 mm.
a)
37.68mm
b)
18.84mm
c)
78.54mm
d)
none of the above
18.
What is the circumference of the circle?
r=22in d=44in
r=22in d=44in
a)
222in
b)
138.23in
c)
125.23in
d)
2.5in
19.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
20.
The radius of the circle is 9 meters. What is the circle's circumference?
a)
9 meters
b)
28.26 meters
c)
56.52 meters
d)
18 meters
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