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circle

Total questions: 189

Worksheet time: 11hrs 19mins

Name
Class
Date
1.

What is a set of all points points in a plane equidistant from a fixed point called its center?

a)

Circle

b)

Line

c)

Square

d)

Triangle

2.

What is a segment whose endpoints are the center of the circle and a point on the circle?

a)

Arc

b)

Chord

c)

Diameter

d)

Radius

3.

What is a chord that passes through the center of the circle?

a)

Arc

b)

Chord

c)

Diameter

d)

Radius

4.

What is a segment whose endpoints are any two points on the circle?

a)

Arc

b)

Chord

c)

Diameter

d)

Radius

5.

What is a portion of a circle?

a)

Arc

b)

Chord

c)

Diameter

d)

Radius

6.

What is an arc whose measure is half of a circle?

a)

Major Arc

b)

Minor Arc

c)

Noah's Arc

d)

Semi-circle

7.

What is an arc whose measure is less than half of a circle?

a)

Major Arc

b)

Minor Arc

c)

Noah's Arc

d)

Semi-circle

8.

What is an arc whose measure is greater than half of a circle?

a)

Major Arc

b)

Minor Arc

c)

Noah's Arc

d)

Semi-circle

9.

What is an angle whose vertex is the center of a circle?

a)

Central Angle

b)

Inscribed Angle

c)

Intercepted Angle

d)

Intercepted Arc

10.

What is an angle whose vertex is on the circle and whose sides are the chords of the circle?

a)

Central Angle

b)

Inscribed Angle

c)

Intercepted Angle

d)

Intercepted Arc

11.

What is the radius of the given circle?

a)

6 inches

b)

12 inches

c)

18 inches

d)

24 inches

12.

What is the diameter of the given circle?

a)

2.5 ft.

b)

5 ft.

c)

7.5 ft.

d)

10 ft.

13.

What is the value of x in the figure?

a)

40⁰

b)

80⁰

c)

120⁰

d)

160⁰

14.

What is the measure of Arc AB in the figure?

a)

45

b)

60⁰

c)

90⁰

d)

180⁰

15.

What is the measure of Angle XYZ in the figure?

a)

45

b)

60⁰

c)

90⁰

d)

180⁰

16.

What is the value of x in the figure?

a)

41

b)

82⁰

c)

123⁰

d)

164⁰

17.

What is the measure of Arc AB in the figure?

a)

42⁰

b)

84⁰

c)

126⁰

d)

168⁰

18.

What is the measure of Arc SR in the figure?

a)

5

b)

50⁰

c)

65⁰

d)

115⁰

19.

What is the value of x in the figure?

a)

20

b)

40⁰

c)

60⁰

d)

80

20.

What is the value of x in the figure?

a)

44

b)

88⁰

c)

92⁰

d)

184

21.
Name the tangent line. 
a)
s
b)
WR
c)
VT
d)
QR
22.
a)
A
b)
B
c)
C
d)
D
23.

Which number best represents an inscribed angle?

a)

1

b)

2

c)

8

d)

9

24.
What is m∠ACB?
a)
67.5°
b)
90°
c)
22.5°
d)
45°
25.

Which segment is a radius?

a)

LM

b)

DC

c)

BD

d)

ML

26.

Which segment is not a radius?

a)

CA

b)

CB

c)

CD

d)

LM

27.
Find m∠PRQ.
a)
39°
b)
90°
c)
51°
d)
15°
28.
a)

A

b)

B

c)

C

d)

D

29.
a)
A
b)
B
c)
C
d)
D
30.
a)

A

b)

B

c)

C

d)

D

31.

What best describes segment AB?

a)

chord

b)

secant

c)

tangent

d)

diameter

32.
The distance around a circle
a)
Diameter
b)
Radius
c)
Circumference
d)
Area
33.
An angle in a circle with vertex on the center of the circle
a)
Central angle
b)
Angle
c)
Inscribed angle
d)
Circle
34.
An angle in a circle with vertex on the circle itself
a)
Angle
b)
Central angle
c)
Inscribed angle
d)
Chord
35.
Find the measure of arc AB.
a)
17
b)
34
c)
68
d)
146
36.

Using the tangent lines, find the value of x.

a)

60

b)

120

c)

30

d)

300

37.

What is the value of the tangent angle?

a)

74

b)

148

c)

296

d)

111

38.

Find the missing value.

a)

120

b)

60

c)

30

d)

240

39.
Find m∠PRQ.
a)
39°
b)
90°
c)
51°
d)
15°
40.
An angle in a circle with vertex on the center of the circle
a)
Central angle
b)
Angle
c)
Inscribed angle
d)
Circle
41.
An angle in a circle with vertex on the circle itself
a)
Angle
b)
Central angle
c)
Inscribed angle
d)
Chord
42.
Find the measure of arc AB.
a)
17
b)
34
c)
68
d)
146
43.

The central angles are (choose 3 correct answers)

a)

FDE\angle FDE

b)

DAC\angle DAC

c)

BAC\angle BAC

d)

BAE\angle BAE

e)

ACD\angle ACD

44.

What is the measure of the indicated arc?

a)

70

b)

140

c)

35

d)

90

45.

Find the unknown angle b°b\degree  .

a)

30

b)

40

c)

48

d)

62

46.

Find the measure of angle H.

a)

40

b)

37

c)

23

d)

26

47.

What is the measure of arc FH?

a)

70

b)

35

c)

140

d)

88

48.

Find the measure of angle V:

a)

85

b)

80

c)

87

d)

117

49.

The measure of arc XY is:

a)

54

b)

180

c)

216

d)

74

50.
a)
A
b)
B
c)
C
d)
D
51.

Which number best represents an inscribed angle?

a)

1

b)

2

c)

8

d)

9

52.

What is m∠LMO?

(Segment LO is a diameter of Circle P)

a)

30°

b)

45°

c)

180°

d)

90°

53.

What is the measure of angle K and angle M?

a)

mK=100    &   mM=100m\angle K=100\ \ \ \ \&\ \ \ m\angle M=100

b)

mK=50    &   mM=50m\angle K=50\ \ \ \ \&\ \ \ m\angle M=50

c)

mK=100   &   mM=50m\angle K=100\ \ \ \&\ \ \ m\angle M=50

d)

mK=50   &   mM=100m\angle K=50\ \ \ \&\ \ \ m\angle M=100

54.

Find the value of x

a)

100

b)

105

c)

95

d)

90

55.

Find x.

a)

51

b)

25.5

c)

102

d)

67

56.

Find x.

a)

25

b)

50

c)

12.5

d)

90

57.

Find x.

a)

48

b)

24

c)

96

d)

42

58.

Find the measure of arc BC. (Hint: BD is a diameter.)

a)

80

b)

106

c)

104

d)

57

59.
a)
A
b)
B
c)
C
d)
D
60.
a)
A
b)
B
c)
C
d)
D
61.
a)
A
b)
B
c)
C
d)
D
62.
a)
A
b)
B
c)
C
d)
D
63.
Determine the measure of Arc BA.
a)
A
b)
B
c)
C
d)
D
64.

Which number best represents an inscribed angle?

a)

1

b)

2

c)

8

d)

9

65.
What is m∠LMO?
(Segment LO is a diameter of Circle P)
a)
30°
b)
45°
c)
80°
d)
90°
66.
What is m∠ACB?
a)
67.5°
b)
90°
c)
22.5°
d)
45°
67.

Which segment is a radius?

a)

LM

b)

DC

c)

BD

d)

ML

68.

Which segment is not a radius?

a)

CA

b)

CB

c)

CD

d)

LM

69.
Find m∠PRQ.
a)
39°
b)
90°
c)
51°
d)
15°
70.
a)

A

b)

B

c)

C

d)

D

71.
a)
A
b)
B
c)
C
d)
D
72.
a)
A
b)
B
c)
C
d)
D
73.
a)

A

b)

B

c)

C

d)

D

74.

What best describes segment AB?

a)

chord

b)

secant

c)

tangent

d)

diameter

75.
The distance around a circle
a)
Diameter
b)
Radius
c)
Circumference
d)
Area
76.
An angle in a circle with vertex on the center of the circle
a)
Central angle
b)
Angle
c)
Inscribed angle
d)
Circle
77.
An angle in a circle with vertex on the circle itself
a)
Angle
b)
Central angle
c)
Inscribed angle
d)
Chord
78.
Find the measure of arc AB.
a)
17
b)
34
c)
68
d)
146
79.
Solve for the missing angle.
a)
45o
b)
90o
c)
22.5o
d)
128o
80.
Find a and b.
a)
a=74 degrees
b=93 degrees
b)
a=93 degrees
b=74 degrees
c)
a=87 degrees
b=106 degrees
d)
a=106 degrees
b=87 degrees
81.
a)
A
b)
B
c)
C
d)
D
82.

Find the measure of arc AB.

a)

17 degrees

b)

34 degrees

c)

68 degrees

d)

146 degrees

83.
inscribed angle: an angle with its vertex _____________ the circle
a)
at the center of
b)
on
84.

Solve for x

a)

51 degrees

b)

61 degrees

c)

102 degrees

d)

204 degrees

85.

What is x?

a)

15

b)

23

c)

2

d)

92

86.
Find m∠PRQ.
a)
39°
b)
90°
c)
51°
d)
15°
87.
In a circle (or congruent circles), congruent arcs:
a)
have congruent chords
b)
have congruent points
c)
are twice the measure of their radii
d)
can climb a hippo
88.

In the diagram, the diameter of the circle is perpendicular to a chord. Solve for the value of "x" and "y"

a)

x=4, y=5

b)

x=3, y=7

c)

x=7, y=3

d)

x=6, y=9

89.
Find the value of x.
a)
10
b)
181
c)
34
d)
40
90.

Find the measure of arc AB.

a)

17 degrees

b)

34 degrees

c)

68 degrees

d)

146 degrees

91.
inscribed angle: an angle with its vertex _____________ the circle
a)
at the center of
b)
on
92.

Solve for x

a)

51 degrees

b)

61 degrees

c)

102 degrees

d)

204 degrees

93.

What is x?

a)

15

b)

23

c)

2

d)

92

94.
Find m∠PRQ.
a)
39°
b)
90°
c)
51°
d)
15°
95.
In a circle (or congruent circles), congruent arcs:
a)
have congruent chords
b)
have congruent points
c)
are twice the measure of their radii
d)
can climb a hippo
96.
Find x
a)
10
b)
5
c)
18
d)
9
97.

In the diagram, the diameter of the circle is perpendicular to a chord. Solve for the value of "x" and "y"

a)

x=4, y=5

b)

x=3, y=7

c)

x=7, y=3

d)

x=6, y=9

98.
Find the value of x.
a)
31,3
b)
8
c)
16.3
d)
-8
99.
a)
x = 160
b)
x = 40
c)
x = 80
d)
x = 360
100.
Which is true of a major arc?
a)
Forms half a circle.
b)
Forms a whole circle.
c)
Measures greater than 180 degrees.
d)
Measures less than 180 degrees.
101.
Name a minor arc
a)
AD
b)
ADB
c)
AB
d)
CD
102.
Name a major arc.
a)
ABD
b)
BDA
c)
BCD
d)
DA
103.
What is the measure of ∠PTQ?
a)
100°
b)
140°
c)
180°
d)
120°
104.
Solve for x. 
a)
5
b)
20
c)
40
d)
85
105.
Which is true of a minor arc?
a)
It forms half a circle.
b)
It forms a whole circle.
c)
It measures greater than 180 degrees. 
d)
It measures less than 180 degrees.
106.
What is the measure of arc AD?
a)
38
b)
142
c)
180
d)
153
107.
What is the measure of arc AB?
a)
140
b)
142
c)
180
d)
153
108.
What is the measure of arc AXB
a)
50
b)
100
c)
180
d)
260
109.
What is the measure of arc AYB
a)
50
b)
100
c)
180
d)
260
110.
If the measure of arc ABC = 210°, what is the measure of arc AC?
a)
150°
b)
100°
c)
210°
d)
105°
111.
a)
a
b)
b
c)
c
d)
d
112.
Solve for x.
a)
x = 11
b)
x = 6
c)
x = 8
d)
x = 9
113.
Solve for x.
a)
x = 6.45
b)
x = 8
c)
x = 12.6
d)
x = 7
114.
a)
x = 160
b)
x = 40
c)
x = 80
d)
x = 360
115.
What is the measure of arc AB?
a)
140
b)
142
c)
180
d)
153
116.
What is the measure of arc WYZ?
a)
231
b)
255
c)
168
d)
200
117.
Find the measure of arc JH
a)
93
b)
130
c)
120
d)
95
118.
Find the measure of <XTY
a)
65
b)
98
c)
70
d)
52
119.
Determine the measure of arc KL
a)
268
b)
92
c)
88
d)
272
120.
Name a minor arc
a)
AD
b)
ADB
c)
AB
d)
CD
121.
What is the measure of ∠PTQ?
a)
100°
b)
140°
c)
180°
d)
120°
122.
Solve for x. 
a)
5
b)
20
c)
40
d)
85
123.
Using the circle with center O, identify a secant.
a)
MN
b)
EC
c)
OC
d)
DF
124.

What is the relationship between a central angle and its arc?

a)

The angle is half of the arc.

b)

The arc is half of the angle.

c)

The arc is smaller than the angle.

d)

They are congruent.

125.

In circle A, the degree measure of minor arc 𝐵𝐷̂ is 470. What is the measure of ∠𝐵𝐴𝐷?

a)

450

b)

470

c)

510

d)

940

126.

In the circle, the measure of minor arc CD is 1290. What is the measure of minor arc 𝐵𝐷̂?

a)

450

b)

470

c)

510

d)

940

127.

What is the measure of the inscribed angle ∠𝐵𝐶𝐸 if the measure of arc 𝐵̂𝐸 is 760?

a)

340

b)

380

c)

760

d)

1520

128.

An inscribed angle is an angle whose vertex lies on the circle and whose sides contain chords of a circle. In circle A, which angle shows an inscribed angle?

a)

∠𝐵𝐶𝐸

b)

∠𝐵𝐴𝐷

c)

∠𝐶𝐴𝐷

d)

∠𝐵𝐴𝐶

129.

It is an angle whose vertex is the center of a circle and whose sides intersect the circle.

a)

Acute Angle

b)

Right Angle

c)

Central Angle

d)

Inscribed Angle

130.

What is the degree measure of a semicircle?

a)

900

b)

1200

c)

1800

d)

3600

131.

It is an arc which is less than 1800 .

a)

Minor Arc

b)

Major Arc

c)

Semicircle

d)

Circumference

132.

In circle A, If m∠𝐶𝐵𝐸 = 390. Find the measure of arc 𝐶̂𝐸.

a)

390

b)

780

c)

890

d)

1150

133.

If the measure of minor arcs 𝐶̂𝐷 and 𝐷̂𝐹 are 440 and 1150 respectively, what is the measure of arc 𝐶̂𝐷𝐹?

a)

210

b)

440

c)

1150

d)

1590

134.

If the measure of minor arcs 𝐶̂𝐷 and 𝐷̂𝐹 are 440 and 1150 respectively, what is the measure of arc 𝐵̂𝐹?

a)

210

b)

440

c)

1150

d)

1590

135.
a)
x = 160
b)
x = 40
c)
x = 80
d)
x = 360
136.
Which is true of a major arc?
a)
Forms half a circle.
b)
Forms a whole circle.
c)
Measures greater than 180 degrees.
d)
Measures less than 180 degrees.
137.
Name a minor arc
a)
AD
b)
ADB
c)
AB
d)
CD
138.
Name a major arc.
a)
ABD
b)
BDA
c)
BCD
d)
DA
139.
What is the measure of ∠PTQ?
a)
100°
b)
140°
c)
180°
d)
120°
140.
Solve for x. 
a)
5
b)
20
c)
40
d)
85
141.
Which is true of a minor arc?
a)
It forms half a circle.
b)
It forms a whole circle.
c)
It measures greater than 180 degrees. 
d)
It measures less than 180 degrees.
142.
What is the measure of arc AD?
a)
38
b)
142
c)
180
d)
153
143.
What is the measure of arc AB?
a)
140
b)
142
c)
180
d)
153
144.
What is the measure of arc AXB
a)
50
b)
100
c)
180
d)
260
145.
What is the measure of arc AYB
a)
50
b)
100
c)
180
d)
260
146.
If the measure of arc ABC = 210°, what is the measure of arc AC?
a)
150°
b)
100°
c)
210°
d)
105°
147.
a)
a
b)
b
c)
c
d)
d
148.
Solve for x.
a)
x = 11
b)
x = 6
c)
x = 8
d)
x = 9
149.
Solve for x.
a)
x = 6.45
b)
x = 8
c)
x = 12.6
d)
x = 7
150.
Which is true of a minor arc?
a)
It forms half a circle.
b)
It forms a whole circle.
c)
It measures greater than 180 degrees. 
d)
It measures less than 180 degrees.
151.
Which words describe two circles with the same radius?
a)
Similar Circles
b)
Concentric Circles
c)
Congruent Circles
d)
Semicircle
152.
A ____ angle is an angle whose vertex is a the center of a circle.
a)
supplementary
b)
complimentary
c)
central
d)
obtuse
153.
Which is true of a major arc?
a)
Forms half a circle.
b)
Forms a whole circle.
c)
Measures greater than 180 degrees.
d)
Measures less than 180 degrees.
154.
Which of the following would be a major arc in the diagram?
a)
BC
b)
BCD
c)
CD
d)
AB
155.
Find the missing angle.  Find x.
a)
20o
b)
70o
c)
160o
d)
180o
156.
If one angle of a triangle is equal to the sum of other two angles, then the triangle is ____
a)
an isosceles triangle
b)
an obtuse angled triangle
c)
an equilateral triangle
d)
a right angled triangle
157.
Say 'TRUE' or 'FALSE'
A triangle must have at least two acute angles
a)
TRUE
b)
FALSE
158.
a)
135°
b)
145°
c)
35°
d)
45°
159.
Say 'TRUE' or 'FALSE'
The diameter is the longest chord of a circle
a)
TRUE
b)
FALSE
160.
What is the part of the circle highlighted in red called?
a)
semi-circle arc
b)
major arc
c)
minor arc
d)
sector
161.
What is the part of the circle highlighted in red called?
a)
semi-circle arc
b)
major arc
c)
minor arc
d)
sector
162.
Which of the following names a radius?
a)
segment AC
b)
segment DB
c)
segment AB
d)
segement BC
163.
A chord is a segment that connects ___________
a)
the center to the endpoint
b)
to one point outside the circle
c)
a central angle
d)
2 endpoints of a circle
164.

The distance around the outside of the circle

a)

diameter

b)

radius

c)

circumference

d)

area

165.

1\angle1  and 2\angle2  are ___.  

a)

Alternate Interior Angles

b)

Alternate Exterior Angles

c)

Same-side Interior Angles

d)

Corresponding Angles

e)

None of these

166.

Angle 1 and Angle 5 are examples of which type of angle pair?

a)

Alternate exterior angles

b)

Alternate interior angles

c)

Vertical angles

d)

Corresponding angles

167.

An angle which is complement of itself is___

a)

90°

b)

60°

c)

45°

d)

55°

168.

2) Given the following two parallel lines cut by a transversal.


Which pair of angles represents corresponding angles?

a)

1\angle1  and  6\angle6  

b)

6\angle6  and 5\angle5  

c)

7\angle7  and 8\angle8  

d)

4\angle4  and 8\angle8  

169.

4) Given the following two parallel lines cut by a transversal.


Which pair of angles represents alternate exterior angles?

a)

4\angle4  and 8\angle8  

b)

7\angle7  and 5\angle5  

c)

1\angle1  and  2\angle2  

d)

6\angle6  and  5\angle5  

170.
In a circle (or congruent circles), the measure of an arc is:
a)
equal to half of the measure of its corresponding central angle
b)
equal to the measure of its corresponding central angle
c)
equal to the measure of its circle's radii
d)
only calculated by taking the square root of dragon taxis
171.
In a circle (or congruent circles), the measure of an arc is:
a)
equal to twice the measure of its corresponding inscribed angle
b)
equal to the measure of its corresponding inscribed angle
c)
equal to half of the measure of its corresponding inscribed angle
d)
equal to four cups of wheat flour
172.
What is the measure of arc WYZ?
a)
231
b)
255
c)
168
d)
200
173.
If the measure of arc ABC = 210°, what is the measure of ∠AOC?
a)
150°
b)
100°
c)
210°
d)
105°
174.
Solve for the missing angle.
a)
45o
b)
90o
c)
22.5o
d)
128o
175.
Find the measure of arc AB.
a)
17
b)
34
c)
68
d)
146
176.
Find a and b.
a)
a=74 degrees
b=93 degrees
b)
a=93 degrees
b=74 degrees
c)
a=87 degrees
b=106 degrees
d)
a=106 degrees
b=87 degrees
177.
a)
A
b)
B
c)
C
d)
D
178.
What is the measure of arc DC?
a)
140
b)
98
c)
122
d)
61
179.
What is the value of x?
a)
11
b)
88
c)
44
d)
22
180.
What is the value of x?
a)
75
b)
90
c)
150
d)
180
181.

Give an example of a major arc

a)

arc JH

b)

arc HI

c)

arc JLH

d)

arc JL

182.

Find the arc measure for arc RQT

a)

335˚

b)

126˚

c)

224˚

d)

94˚

183.

opposite angles in any quadrilateral inscribed in a circle are __________ of each other.

a)

complements

b)

supplements

c)

congruent

d)

opposite

184.
Find the measure of arc JH
a)
93
b)
130
c)
120
d)
95
185.
What is the measure of ∠PTQ?
a)
100°
b)
140°
c)
180°
d)
120°
186.
Given the following inscribed quadrilateral, what is the value of y?
a)
10
b)
20
c)
30
d)
40
187.
inscribed angle: an angle with its vertex _____________ the circle
a)
at the center of
b)
on
188.

What is x?

a)

15

b)

23

c)

2

d)

92

189.
In a circle (or congruent circles), congruent arcs:
a)
have congruent chords
b)
have congruent points
c)
are twice the measure of their radii
d)
can climb a hippo