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Worksheets

Circle

Total questions: 22

Worksheet time: 54mins

Name
Class
Date
1.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
2.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
3.

The radius of a circle is

a)

The measurement from the center to an edge of the circle.

b)

The measurement around the circle

c)

The measurement from an edge of a circle to another edge through the center

4.

The diameter of a circle is:

a)

The measurement around the circle.

b)

The distance from the center of a circle to the edge.

c)

The distance from an edge of a circle to another edge through the center.

5.

Which segment is the diameter?

a)

DE

b)

BO

c)

AO

d)

AB

6.

Which point is the center?

a)

O

b)

A

c)

B

d)

C

7.

If my radius is 10ft, what is my diameter?

a)

20ft

b)

5ft

c)

31.4ft

8.

What is the radius of this circle?

(a)  

9.

What is the diameter of this circle?

a)

60 in

b)

30 in

c)

15 in

10.

What is the radius in the diameter of a circle is 20ft?

a)

10ft

b)

40ft

c)

100ft

11.

What is the blue colored part of this circle called?

a)

Circumference

b)

Diameter

c)

Radius

d)

Area

12.
Does this picture show the diameter or radius of a circle?
a)
Diameter
b)
Radius
13.
The distance halfway across the circle is called the...
a)
radius
b)
diameter
c)
circumference
d)
area
14.
The distance across the circle through the center is called the...
a)
radius
b)
diameter
c)
circumference
d)
area
15.

The radius of a circle is 16 meters. What is the diameter?

a)

16

b)

32

c)

8

d)

8 * pi

16.

The radius of a circle is 5 inches. What is the diameter?

a)

10/pi

b)

5

c)

10

d)

5*pi

17.

point in the middle

a)

radius

b)

center

c)

diameter

d)

circumference

18.

distance around a circle

a)

circumference

b)

diameter

c)

radius

d)

pi

19.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
20.
What is the radius?
a)
18
b)
72
c)
38
d)
14
21.
If you are given the diameter, how can you calculate the radius?
a)
Multiply the diameter by 2
b)
Divide the diameter by 2
c)
Add 2 to the diameter
d)
Subtract 2 from the diameter
22.
This is a picture of ___________.
a)
Minor Arc
b)
Major Arc
c)
Semi-Circle
d)
Central Angle