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Worksheets

Parts of a Circle

Total questions: 24

Worksheet time: 29mins

Name
Class
Date
1.

What is AF?

a)

Chord

b)

Radius

c)

Secant

d)

Tangent

2.

What is A?

a)

Point of Tangency

b)

Radius

c)

Circle

d)

Tangent

3.
What is the diameter?
a)
8
b)
16
c)
10
d)
4
4.
What is the radius?
a)
18
b)
72
c)
38
d)
14
5.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
6.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
7.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
8.

What is the line that goes from the center of a circle to any point on the circle?

a)

Diameter

b)

Circumference

c)

Chord

d)

Radius

9.

What is a straight line that goes through the center of a circle from side to opposite side?

a)

Diameter

b)

Circumference

c)

Radius

d)

Center

10.

What is the point that is an equal distance from all the points on a circle? (this is where your finger holds the compass)

a)

Diameter

b)

Circumference

c)

Center

d)

Chord

11.

Does this picture show the diameter or radius of a circle?

a)

Diameter

b)

Radius

12.
What is the radius if the diameter is 12 m ?
a)
24 m
b)
6 m
c)
4 m
d)
48 m
13.
What is the radius if the diameter is 40 m ?
a)
80
b)
20
c)
8
14.

Which is a chord?

a)

 KL‾\overline{KL}  

b)

 HG‾\overline{HG}  

c)

 GI‾\overline{GI}  

d)

 JL‾\overline{JL}  

15.

Name the pictured part of the circle.

a)

Radius

b)

Central Angle

c)

Sector

d)

Center

e)

Arc

16.

Name the pictured part of the circle.

a)

Radius

b)

Central Angle

c)

Sector

d)

Center

e)

Arc

17.

Name the pictured part of the circle.

a)

Radius

b)

Central Angle

c)

Sector

d)

Center

e)

Arc

18.

Name the pictured part of the circle.

a)

Center

b)

Sector

c)

Radius

d)

Central Angle

e)

Arc

19.

Name the pictured part of the circle.

a)

Diameter

b)

Sector

c)

Radius

d)

Chord

e)

Semicircle

20.
What is the diameter of a circle with a radius of 5.5 cm?
a)
5.5 cm
b)
2.25 cm
c)
11 cm
d)
A:LKFJ:LSKFJ
21.

What is the circle's diameter?

a)

5 cm

b)

10 cm

c)

20 cm

22.

What is the circle's radius?

a)

3 m

b)

6 m

c)

12 m

23.

What is the circle's diameter?

a)

3 m

b)

6 m

c)

12 m

24.

What is the circle's radius?

a)

6 ft

b)

12 ft

c)

24 ft