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circle introduction

Total questions: 28

Worksheet time: 20mins

Name
Class
Date
1.
a)
How many chords are there: 1
b)
How many chords are there: 5
c)
How many chords are there: 3
d)
How many chords are there: 0
2.
a)
Diameter is: DE
b)
Diameter is: BA
c)
Diameter is: BC
d)
Diameter is: DC
3.
a)
Name the circle: Circle B
b)
Name the circle: Circle DE
c)
Name the circle: Circle A
d)
Name the circle: Circle DBC
4.
A circle is named after its what?
a)
Center
b)
Arc
c)
Circumference
d)
Secant
5.
An arc is a smaller piece of the...
a)
Chord
b)
Center
c)
Circumference
d)
Radius
6.
What is the name for the distance around a circle?
a)
Diameter
b)
Radius
c)
Circumference
d)
Chord
7.
A line that touches a circle in just one point.
a)
tangent
b)
chord
c)
secant
d)
radius
8.
A segment that connects two points on a circle; may or may not pass through the center of the circle.
a)
tangent
b)
secant
c)
chord
d)
diameter
9.
A segment connecting two points on a circle that passes through the center.
a)
diameter
b)
radius
c)
secant
d)
tangent
10.
A segment that connects the center of a circle with a point on the circle.
a)
tangent
b)
secant
c)
diameter
d)
radius
11.

What is a line segment that joins two parts on a circle?

a)

line

b)

chord

c)

radius

d)

diameter

12.

Which of the following is a chord?

a)

DS

b)

AS

c)

CS

d)

BD

13.

What is segment AC?

a)

chord

b)

radius

c)

diameter

14.

What is this an example of?

a)

radius

b)

chord

c)

diameter

15.
The distance around a circle
a)
Diameter
b)
Radius
c)
Circumference
d)
Area
16.

The line segment between the center and a point on the circle

a)

Radius

b)

diameter

c)

Chord

d)

circumference

17.

The radius is ______________ the diameter?

a)

half

b)

third

c)

triple

d)

double

18.

The diameter is _________ the radius.

a)

double

b)

triple

c)

half

d)

a third

19.

What is the diameter?

a)

2.5 cm

b)

15 cm

c)

5 cm

d)

10 cm

20.

Which of the following names a diameter?

a)

segment AC

b)

segment DB

c)

segment AD

d)

segment ADC

21.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
22.

How many units is the radius of the unit circle?

(a)  

23.

Where is the center of the Unit Circle?

a)

the origin

b)

the vertex

c)

the point (1,0)

d)

the point (0,0)

24.

What is the blue colored part of this circle called?

a)

Circumference

b)

Diameter

c)

Radius

d)

Area

25.

The Diameter of this circle is 23.4 miles. What is the measurement of the radius?

a)

11.7 miles

b)

11.7 inches

c)

46.8 miles

d)

23.4 miles

26.

If QR is 7.2 meters, what is the Diameter of this circle?

a)

14.4 meters

b)

7.2 meters

c)

3.6 meters

d)

52 meters

27.

If the radius of this circle is 9.5 inches, what is its Diameter?

a)

19 inches

b)

9.5 inches

c)

4.75 inches

d)

83.5 inches

28.

What is QR called?

a)

Radius

b)

Diameter

c)

Circumference

d)

Area of the Circle