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Intro to Circles

Total questions: 34

Worksheet time: 49mins

Name
Class
Date
1.
The distance from the center of the circle to any point on the circle is called the...
a)
radius
b)
diameter
c)
circumference
d)
area
2.

What Logo is This?

a)

Facebook

b)

Instagram

c)

Twitter

d)

Tiktok

3.
The distance all the way across the circle, but through the center, is called the...
a)
radius
b)
diameter
c)
circumference
d)
area
4.
A diameter is also a chord. 
a)
True
b)
False 
5.
A line segment connecting any two points on a circle is called a _____________. 
a)
diameter
b)
chord
c)
radius
d)
circumference 
6.

What Logo is this?

a)

Instagram

b)

Google

c)

Firefox

7.
What do we call the red line?
a)
Chord
b)
Arc
c)
Diameter
d)
Segment
8.

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

a)

Diameter

b)

Radius

9.

What Logo is this?

a)

???

b)

Pinerest

c)

I do not know

10.

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

a)

Diameter

b)

Circumference

c)

Radius

d)

Center

11.
What is the diameter of a circle with a radius of 8 in?
a)
4 in
b)
16 in
c)
32 in
12.
If the radius of a circle is 10 cm, the circumference is about 30 cm.
a)
TRUE
b)
FALSE
13.

What logo is this?

a)

Google Chrome

b)

Firefox

c)

I really do not know

14.

Select each Radius in the image.

a)

DA‾\overline{DA}  

b)

DB‾\overline{DB}  

c)

DC‾\overline{DC}  

d)

BD‾\overline{BD}  

e)

AC‾\overline{AC}  

15.

A chord that passes through the center of the circle is called the...

a)

Radius

b)

Diameter

c)

Arc

d)

circumference

16.

What logo is this?

a)

Facebook

b)

Instagram

c)

Tiktok

d)

Twitter

17.

Name the pictured part of the circle.

a)

Radius

b)

Central Angle

c)

Diameter

d)

Center

e)

Arc

18.

What is BD→\overrightarrow{BD} ?

a)

Chord

b)

Radius

c)

Secant

d)

Tangent

19.

What is FA‾\overline{FA} ?

a)

Chord

b)

Radius

c)

Secant

d)

Tangent

20.

What logos is this?

a)

Instagram

b)

Twitter

c)

Facebook

21.

What is point A?

a)

Point of Tangency

b)

Radius

c)

Center

d)

Tangent

22.

What is HJ→\overrightarrow{HJ} ?

a)

Point of Tangency

b)

Radius

c)

Circle

d)

Tangent

23.

What is H?

a)

Point of Tangency

b)

Radius

c)

Circle

d)

Tangent

24.

What is arc HCG?

a)

a major arc

b)

Radius

c)

a semicircle

d)

a minor arc

25.

What logo is this?

a)

Firefox

b)

Youtube

c)

Google

26.

What is arc DF?

a)

a major arc

b)

Radius

c)

a semicircle

d)

a minor arc

27.

What is arc HGF?

a)

major arc

b)

Radius

c)

semicircle

d)

minor arc

28.

What is DG‾\overline{DG} ?

a)

Secant

b)

Radius

c)

Chord

d)

Tangent

29.

What logo is this?

a)

Twitter

b)

Snapchat

c)

Tiktok

30.
A tangent to a circle is ________________________ to the radius drawn to the point of tangency.
a)
congruent
b)
perpendicular
c)
complimentary
d)
supplementary
31.

In the diagram, a tangent and a line drawn to the point of tangency form a right triangle. Solve for "?" (the length of the hypotenuse)

a)

15

b)

6

c)

-24

d)

14

32.

AB‾\overline{AB} is a tangent. Find the radius.

a)

2

b)

3

c)

4

d)

5

33.

Determine whether segment MP is tangent to the circle.

a)

YES

b)

NO

34.
What is the value of DC? (to the nearest hundredth) 
a)
9.43
b)
4.43
c)
√89
d)
9

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