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Angles Missing

Total questions: 45

Worksheet time: 1hrs 12mins

Name
Class
Date
1.
Two angles added together to produce 90 degrees
a)
Supplementary
b)
Complementary
c)
Right
d)
Vertical
2.
Find the missing angle.
a)
47
b)
37
c)
57
d)
137
3.
What is the measure of the missing angle?
a)
39
b)
129
c)
119
d)
129
4.
If ∠A and ∠B are supplementary, and the measure of ∠A is 120°, what is the measure of ∠B?
a)
180
b)
50
c)
60
d)
80
5.
complementary, supplementary, or neither?
a)
Complementary
b)
Supplementary
c)
Neither
6.
∠1 and ∠3 can best be described as what?
a)
complementary angles
b)
supplementary angles
c)
vertical angles
d)
adjacent angles
7.
 What is the measure of angle B?
a)
100°
b)
80°
c)
90°
d)
180°
8.
What are vertical angles?
a)
Angles that are adjacent to each other
b)
Angles that add up to 180°
c)
Angles that are opposite of each other when lines intersect
d)
Angles that add up to 90°
9.
Which are pairs of vertical angles?
a)
∠COB & ∠COA
b)
∠AOD & ∠AOC
c)
∠COB & ∠AOD
d)
∠BOD & ∠AOD
10.
Which are pairs of adjacent angles?
a)
∠COB & ∠DOA
b)
∠AOD & ∠AOC
c)
∠COB & ∠AOD
d)
∠BOD & ∠AOC
11.
If the measure of ∠2 is 83°, what is the measure of ∠3?
a)
7°
b)
17°
c)
83°
d)
97°
12.
If ∠COB is 124°, then what is ∠BOD? How are they related?
a)
56°, they are adjacent
b)
90°, they are right angles 
c)
124°, they are vertical
13.
Find the value of x.
a)
15
b)
16
c)
18
d)
19
14.
What is an example of a pair of complementary angles?
a)
13° and 45°
b)
10° and 170°
c)
81° and 9°
d)
90° and 3°
15.
Tell whether the angles are complementary or supplementary. Then find the value of x.
a)
Complementary; x=25
b)
Complementary; x=5
c)
Supplementary; x=25
d)
Supplementary; x=5
16.
What are supplementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect
17.
What are complementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect.
18.
Solve for x
a)
20
b)
25
c)
120
d)
180
19.
Name the vertical angle to
∠h.
a)
∠f
b)
∠i
c)
∠g
d)
∠j
20.
Find the value of x. 
a)
13
b)
5
c)
55
d)
54
21.
complementary, supplementary, or neither?
a)
Complementary
b)
Supplementary
c)
Neither
22.
What type of angle is shown?
a)
acute
b)
obtuse
c)
right 
d)
straight
23.
What type of angle is shown?
a)
acute
b)
obtuse
c)
right
d)
straight
24.
What type of angle is shown?
a)
acute
b)
obtuse
c)
right
d)
straight
25.
Find the value of x.
a)
18°
b)
28°
c)
38°
d)
118°
26.

Which equation would you use to solve for the missing angle measure?

a)

x + 115 = 180

b)

x + 115 = 90

c)

x + 115 = 115

d)

x + 115 = 270

27.

What equation could be used to solve for the missing angle measure?

a)

x + 19 = 180

b)

x + 19 = 19

c)

x + 19 = 60

d)

x + 19 = 90

28.

Find the value of x.

a)

15

b)

16

c)

18

d)

19

29.
What are vertical angles?
a)
Angles that are adjacent to each other
b)
Angles that add up to 180°
c)
Angles that are opposite of each other when lines intersect
d)
Angles that add up to 90°
30.
Angles are measured using a ______.
a)
compass
b)
protractor
c)
ruler
d)
prospector
31.
What are vertical angles?
a)
Angles that are adjacent to each other
b)
Angles that add up to 180°
c)
Angles that are opposite of each other when lines intersect
d)
Angles that add up to 90°
32.
What are supplementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect
33.
What are complementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect.
34.
What is the complement angle to 30°?
a)
60°
b)
30°
c)
150°
d)
230˚
35.
What is the supplement angle to 42°?
a)
48°
b)
138°
c)
100°
d)
Not possible
36.
What is the measure of ∠2?
a)
38
b)
58
c)
71
d)
142
37.

What type of angle measures LESS than 90 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

38.

What type of angle measures EXACTLY 90 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

39.

What type of angle measures EXACTLY 180 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

40.

What type of angle measures MORE than 90 degrees, but not 180 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

41.

What is the measurement of this angle?

a)

A

b)

B

c)

C

d)

D

42.

What is the measurement of this angle?

a)

A

b)

B

c)

C

d)

D

43.

Is 62° an 'acute', 'obtuse', 'right' or 'straight' angle?

a)

acute

b)

obtuse

c)

right

d)

straight

44.

Is 142° an 'acute', 'obtuse', 'right' or 'straight' angle?

a)

acute

b)

obtuse

c)

right

d)

straight

45.

Use the image to answer the question. What is the measure of the angle?

a)

180

b)

140

c)

40

d)

20

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