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WorksheetsCircumference and Area
Total questions: 10
Worksheet time: 18mins
Name
Class
Date
1.
What is π ? (Best Choice)
a)
The ratio of the circumference of any circle to its diameter.
b)
Exactly 3.14
c)
Exactly 3.1415
d)
Exactly 3.141593
2.
A Circle has a radius of 4. What is the circumference of the circle?
a)
4π or about 12.57
b)
16π or about 50.27
c)
2π or about 6.28
d)
8π or about 25.13
3.
A Circle has a radius of 4. What is the area of the circle?
a)
4π or about 12.57
b)
16π or about 50.27
c)
2π or about 6.28
d)
8π or about 25.13
4.
A Circle has a diameter of 18 meters. What is the circumference of the circle?
a)
9π or about 28.27 m
b)
18π or about 56.55 m
c)
81π or about 254.47m
d)
324π or about 1017.88 m
5.
A Circle has a diameter of 18 meters. What is the area of the circle?
a)
9π or about 28.27 m2
b)
18π or about 56.55 m2
c)
81π or about 254.47 m2
d)
324π or about 1017.88 m2
6.
A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?
a)
c = 15π
b)
c = 2π15
c)
c = π(15²)
d)
c = π(7.5²)
7.
What is the diameter of this circle?
a)
3.5
b)
6.5
c)
6
d)
7
8.
What is the radius of this circle?
a)
18
b)
36
c)
9
d)
6
9.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
10.
What is the area of this circle? Round to the nearest whole number.
a)
6082
b)
1521
c)
138
d)
69
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