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Worksheets

All About Circle

Total questions: 27

Worksheet time: 25mins

Name
Class
Date
1.

What is AF?

a)

Chord

b)

Radius

c)

Secant

d)

Tangent

2.

What is DG?

a)

Sector

b)

Radius

c)

Chord

d)

Tangent

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

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

7.

What is the measurement around the outside of a circle called?

a)

Diameter

b)

Circumference

c)

Radius

d)

Center

8.

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

9.

Name the pictured part of the circle.

a)

Radius

b)

Central Angle

c)

Sector

d)

Center

e)

Arc

10.

Name the pictured part of the circle.

a)

Center

b)

Sector

c)

Radius

d)

Central Angle

e)

Arc

11.

Which image below represents the diameter of a circle?

a)
b)
c)
d)
12.

Which image below represents the radius of a circle?

a)
b)
c)
d)
13.

What is circumference?

a)

A line that passes through the center of the circle.

b)

The distance around a circle.

c)

A line that connects the center to a point on the circle.

14.

What is/are the formula (s) for circumference?

a)

C = π r

b)

C = 2 π r

c)

C = π d

d)

C = 2 π d

15.

A circle has a radius of 4 cm. What is its circumference?

(a)  

16.

The distance around a circular object is 30 feet. What is the diameter of the object?

(a)  

17.

The circumference of a circle is 40 m. What is its radius?

(a)  

18.
Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the distance around the cookie?
a)
10 in
b)
2.5 in
c)
15.7 in
d)
31.4 in 
19.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
20.

What is the formula for finding the circumstance of a circle with just the diameter?

a)

π x d

b)

b x h

c)

l x w x h

d)

2 x r x π

21.

A circle has a diameter of 17 inches. What is the circumference?

a)

106.76 inches

b)

53.38 inches

c)

907.46 inches

d)

34 inches

22.
A circular swimming pool is 21 feet in diameter.
How many feet around is the pool?
a)
10.5 ft
b)
42 ft
c)
65.94 ft
d)
131.95 ft
23.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
24.
If my radius is 10ft, what is my diameter?
a)
20ft
b)
5ft
c)
31.4ft
d)
62.8ft
25.
The circumference of a circle is
a)
The measurement from an edge of a circle to another edge.
b)
The measurement around the circle
c)
The measurement from an edge of a circle to another edge going through the center
d)
The measurement from the center of the circle to an edge of the circle
26.
What is the distance around a circle?
a)
Circumference
b)
Area
c)
Diameter
d)
Radius
27.

How well do you understand the topic "Circumference of a Circle"?

a)

Very well

b)

Good

c)

Only understand some parts

d)

Don't understand it at all