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Complementary and Supplementary Angles

Total questions: 24

Worksheet time: 49mins

Name
Class
Date
1.

This angle is:

a)

Smaller than a right angle

b)

A right angle

c)

Bigger than a right angle

2.

Match the following

a)
1.

Acute angle

b)
2.

Obtuse angle

c)
3.

Straight angle

d)
4.

Right angle

e)
5.

Vertical angle

3.

​ (a)   are always equal

​ (b)   add up to 90 degree

​ (c)   add up to 180 degree

Choose from the below words
Vertical Angles
Complementary angles
Supplementary angles
4.

This angle is:

a)

Smaller than a right angle

b)

A right angle

c)

Bigger than a right angle

5.

This angle is: (a)  

Choose from the below words
Bigger than a right angle
Smaller than a right angle
A right angle
6.

This angle is:

a)

Smaller than a right angle

b)

A right angle

c)

Bigger than a right angle

7.
What type of angle is shown?
a)

acute

b)

obtuse

c)

right

d)

straight

8.
An angle whose measure is exactly 90 degrees.
a)

acute

b)

vertical

c)

right

d)

straight

9.

An angle whose measure is exactly 180 degrees.

a)

acute

b)

vertical

c)

right

d)

straight

10.

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.

11.

Find the missing angle.

a)

72

b)

68

c)

90

d)

78

12.

Find the missing angle.

a)

46

b)

52

c)

54

d)

36

13.

Two angles are congruent and complementary. Find their size.

#congruent mean equal

a)

30

b)

45

c)

60

d)

90

14.
What term is used to describe a pair, or group, of angles that equal 180 degrees?
a)

Supplementary Angles

b)

Complementary Angles

c)

Vertical Angles

d)

Congruent Angles

15.
a)
x = 118
b)
x = 108
c)
x = 28
d)
x = 58
16.

Find the supplementary angle for 104 degrees...

a)

70 degrees

b)

74 degrees

c)

76 degrees

17.

Find the supplementary angle for 69 degrees...

a)

111 degrees

b)

116 degrees

c)

118 degrees

18.
These angles are...
a)
Complementary
b)
Supplementary
c)
Neither
19.
These angles are...
a)
Complementary
b)
Supplementary
c)
Neither
20.

What is the measure of the missing angle?

a)

76

b)

66

c)

156

d)

154

21.
a)

m∠2 = 109°

m∠3 = 71°

m∠4 = 109°

b)

m∠2 = 71°

m∠3 = 71°

m∠4 = 109°

c)

m∠2 = 109°

m∠3 = 71°

m∠4 = 71°

22.
a)

m∠1 = 131°

m∠2 = 49°

m∠4 = 49°

b)

m∠1 = 49°

m∠2 = 131°

m∠4 = 131°

c)

m∠1 = 131°

m∠2 = 49°

m∠4 = 131°

23.

Find the value of x.

a)

103

b)

10

c)

3

d)

70

24.

Find the value of x.

a)

15

b)

18

c)

16

d)

19