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Worksheets

Circles

Total questions: 25

Worksheet time: 16mins

Name
Class
Date
1.

The definition of a circle is

a)

set of all points in a plain that are the same distance from a point called the center

b)

the distance around a share

c)

a large figure

d)

a pizza, orange, plum, or watermelon

2.

The definition of radius is

a)

distance from one point to another point

b)

distance around the circle

c)

distance from the center to any point on the circle

d)

distance across the circle through the center

3.

The definition of diameter is

a)

distance from the center of any point on the circle

b)

distance across the circle through the center

c)

distance from one point to another

d)

distance around the circle

4.

The definition of circumference is

a)

distance from the center of any point on the circle

b)

distance from one point to another

c)

distance around the circle

d)

distance from the center of any point on the circle

5.

which line above represents the diameter

a)

BC

b)

AC

c)

BD

d)

LM

6.

which line above represents the radius

a)

AC

b)

AB

c)

LM

d)

AE

7.

find the diameter of the circle

a)

14 m

b)

7 m

c)

14

d)

3.5 m

8.

find the radius of the circle

a)

3 m

b)

1.5 m

c)

1.5

d)

1.5 mm

9.

what is this shape called

a)

circle

b)

semi circle

c)

moon

d)

triangle

10.

The distance around a circle

a)

area

b)

diameter

c)

circumference

d)

radius

11.

the distance from one endpoint to another that passes through the center of a circle

a)

circle

b)

radius

c)

circumference

d)

diameter

12.

the distance from a center of a circle to a point on the circle

a)

radius

b)

diameter

c)

circumference

d)

pi

13.

the diameter of a circle is ______ the radius

a)

10 times

b)

twice

c)

3.14 times

d)

half

14.

the radius of a circle is _______ the diameter

a)

half

b)

2 times

c)

3.14 times

d)

10 times

15.

If the diameter of a circle is 142 millimeters, then what is the radius?

a)

71 mm

b)

45.8 mm

c)

42 mm

d)

203.25 mm

16.

which line above represents the Arc

a)

AC

b)

AB

c)

LM

d)

BD

17.
What is the diameter?
a)
DE
b)
AO
c)
AB
d)
OC
18.
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
19.
If the diameter of a circle is 10 cm, the radius is 5 cm.
a)
TRUE
b)
FALSE
20.
Name a radius.
a)
AF
b)
CD
c)
HJ
d)
DG
21.
How many chords?
a)
1
b)
2
c)
3
d)
none
22.
A diameter is also a chord. 
a)
True
b)
False 
23.

What is the name of the red area?

a)

Semi circle

b)

Sector

c)

Segment

d)

Area

24.
What do we call the red line?
a)
Chord
b)
Tangent
c)
Arc
d)
Circumference
25.

What is a Semicircle

a)

A square

b)

Pineapple

c)

Half of a circle or circumference that is cut off in the middle.

d)

A quarter of a circle