Free Printable Parts of a Circle Vocab

1.

This is a picture of ___________.

a)

Minor Arc

b)

Major Arc

c)

Semi-Circle

d)

Central Angle

2.

This is a picture of ___________.

a)

Minor Arc

b)

Major Arc

c)

Semi-Circle

d)

Central Angle

3.

This is a picture of ___________.

a)

Minor Arc

b)

Major Arc

c)

Semi-Circle

d)

Central Angle

4.

This is a picture of ___________.

a)

Chord

b)

Diameter

c)

Radius

d)

Inscribed Angle

5.

This is a picture of ___________.

a)

Chord

b)

Diameter

c)

Radius

d)

Inscribed Angle

6.

This is a picture of ___________.

a)

Chord

b)

Diameter

c)

Radius

d)

Inscribed Angle

7.

This is a picture of ___________.

a)

Major Arc

b)

Minor Arc

c)

Central Angle

d)

Inscribed Angle

8.

This is a picture of ___________.

a)

Major Arc

b)

Minor Arc

c)

Central Angle

d)

Inscribed Angle

9.

Determine the radius of the penny

a)

59.66 mm

b)

9.5 mm

c)

38 mm

d)

119.32 mm

10.

a)

Name the circle: Circle B

b)

Name the circle: Circle DE

c)

Name the circle: Circle A

d)

Name the circle: Circle DBC

11.

Name a secant.

a)

BD

b)

DG

c)

HF

d)

AF

12.

Point H is the...

a)

Center of the circle

b)

Radius

c)

Point of tangency

d)

None of these

13.

A circle is named after its what?

a)

Center

b)

Arc

c)

Circumference

d)

Secant

14.

A line that touches a circle in just one point.

a)

tangent

b)

chord

c)

secant

d)

radius

15.

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

16.

What is the radius?

a)

18

b)

72

c)

38

d)

14

17.

What is the diameter?

a)

8

b)

16

c)

10

d)

4

18.

What is the diameter?

a)

5 in

b)

10 in

c)

3.14 in

d)

15.84 in

19.

What is BD?

a)

Chord

b)

Radius

c)

Secant

d)

Tangent

20.

What is AF?

a)

Chord

b)

Radius

c)

Secant

d)

Tangent

21.

What is A?

a)

Point of Tangency

b)

Radius

c)

Circle

d)

Tangent

22.

What is H?

a)

Point of Tangency

b)

Radius

c)

Circle

d)

Tangent

23.

What is HA?

a)

Point of Tangency

b)

Radius

c)

Circle

d)

Tangent

24.

What is $\angle JIH$ ?

a)

Central Angle

b)

Point of Tangency

c)

Inscribed Angle

d)

Right Angle

25.

Name the pictured part of the circle.

a)

Radius

b)

Central Angle

c)

Sector

d)

Center

e)

Arc

26.

Name the pictured part of the circle.

a)

Radius

b)

Central Angle

c)

Sector

d)

Center

e)

Arc

27.

What part of a circle does the red line represent?

a)

the radius

b)

the diameter

c)

the circumference

28.

What part of a circle does the red line represent?

a)

the radius

b)

the diameter

c)

the circumference

29.

What is this called?

a)

Chord

b)

Minor arc

c)

Secant

d)

Diameter

30.

What is this called?

a)

Radius

b)

Central Angle

c)

Major Arc

d)

Inscribed Angle

31.

What is this called?

a)

Tangent Line

b)

Secant

c)

Chord

d)

Diameter

32.

What is this called?

a)

Tangent Line

b)

Central Angle

c)

Chord

d)

Inscribed Angle

33.

What is this called?

a)

Circumference

b)

Minor Arc

c)

Major Arc

d)

Inscribed Angle

34.

What is this called?

a)

Circumference

b)

Minor Arc

c)

Major Arc

d)

Inscribed Angle

35.

Name the part shown in the given circle.

a)

Sector

b)

Chord

c)

Segment

d)

Circumference

36.

What show is this?

a)

Chalkzone

b)

Supernatural

c)

Scooby Doo

d)

Unfabulous

37.

Which one of these is NOT a chord?

a)

$\overline{ZY}$

b)

$\overline{PM}$

c)

$\overline{CD}$

d)

$\overline{AN}$

38.

A secant:

a)

goes through the circle and intersects 2 times with the circle

b)

connects 1 time with the circle

c)

is only inside the circle

d)

always goes through the center of the circle

39.

Which one is a secant?

a)

segment MP

b)

segment DC

c)

line DC

d)

segment NA

40.

A tangent intersects a circle:

a)

at only one point

b)

at two points

c)

at many points

d)

at the center

41.

________ is tangent to the circle.

a)

$\overline{XP}$

b)

$\overline{MP}$

c)

$\overline{DC}$

d)

$\overline{NA}$

42.

Which of the following are pictures of chords?

a)

b)

c)

d)

43.

What is this called?

a)

Inscribed Angle

b)

Circumscribed Angle

c)

Central Angle

44.

What is segment PQ?

a)

diameter

b)

radius

c)

tangent

d)

chord

45.

An angle whose vertex is the center of a circle is a(n) ______.

a)

inscribed angle

b)

acute angle

c)

obtuse angle

d)

central angle

46.

What is $\overline{GJ}$ ?

a)

Secant

b)

Minor Arc

c)

Tangent

d)

Radius

47.

Select each Radius in the image.

a)

$\overline{DA}$

b)

$\overline{DB}$

c)

$\overline{DC}$

d)

$\overline{AC}$

48.

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

a)

Radius

b)

Diameter

c)

Arc

d)

circumference

49.

What is the diameter divided by 2?

\frac{d}{2}=?

a)

the circumference

b)

the radius

c)

the area

d)

pi

50.

What is the radius doubled (times 2)?

r\times2=?

a)

the diameter

b)

the radius

c)

the area

d)

pi

Parts of a Circle Vocab

Total questions: 50

Worksheet time: 13hrs 30mins

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