WorksheetsCircumference
Total questions: 13
Worksheet time: 25mins
Name
Class
Date
1.
The diameter of a circle is 3 centimeters. What is the circumference?
a)
11.5cm2
b)
9.42 cm2
c)
unicorns are awsome
d)
45.3 cm2
2.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
3.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
4.
If my diameter is 10 inches, what is my radius?
a)
38 inches
b)
5 inches
c)
10 inches
d)
50 inches
5.
what is the circumference of this circle ?
a)
3.14 cm
b)
37.68 cm
c)
24 cm
d)
68.4 cm
6.
Find the circumference of a circle with a radius of 12.5 mm .
a)
37.68mm
b)
18.84mm
c)
78.5mm
d)
none of the above
7.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
8.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
9.
What two formulas can you use to find the circumference?
choose TWO
a)
C = π·d
b)
C = π·r2
c)
C = 2·π·r
d)
C = d2
10.
What does C represent in the formula:
C = π·d
a)
Pi
b)
Circumference
c)
Diameter
d)
Area
11.
What does d represent in the formula:
C = π·d
a)
diameter
b)
radius
c)
pi
d)
3.14
12.
What is the diameter of a circle?
a)
the distance around a circle
b)
the area of a circle
c)
halfway through a circle
d)
a line through the center of a circle
13.
What number represents π?
a)
31.4
b)
4.13
c)
3.14
d)
34.1
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