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WorksheetsCircles (Diameter and Circumference)
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
The distance around a circle (circumference) is about ____ times the distance across the circle (diameter).
a)
2 times
b)
3 times
c)
4 times
d)
5 times
2.
What is AF?
a)
Chord
b)
Radius
c)
Secant
d)
Tangent
3.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
4.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
5.
What is the radius?
a)
18
b)
72
c)
38
d)
14
6.
The distance all the way across the circle, but through the center, is called the...
a)
radius
b)
diameter
c)
circumference
d)
area
7.
The distance from the center of the circle to any point on the circle is called the...
a)
radius
b)
diameter
c)
circumference
d)
area
8.
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
9.
What number is pi?
a)
1.41
b)
2.00
c)
3.14
d)
5.14
10.
What is the "formal" definition of pi?
a)
22/7
b)
3.1415926
c)
the ratio of a circle's circumference to its diameter
d)
the surface area of a sphere of diameter 22/7
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