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Worksheets

Angles in a Triangle

Total questions: 16

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Right-Angled Triangle

2.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Right-Angled Triangle

3.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Right-Angled Triangle

4.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Right-Angled Triangle

5.

Work out the value of the missing angle marked a...

a)

90o

b)

45o

c)

60o

d)

63o

6.

Work out the value of the missing angle marked a...

a)

81o

b)

99o

c)

88o

d)

91o

7.

Work out the value of the missing angle marked a...

a)

72o

b)

144o

c)

36o

d)

134o

8.

Work out the value of the missing angle marked a...

a)

60o

b)

66o

c)

90o

d)

45o

9.

Work out the size of the missing angle

a)

58

b)

62

c)

68

d)

118

10.

Work out the size of the missing angle

a)

55

b)

65

c)

115

d)

125

11.
a)
A
b)
B
c)
C
d)
D
12.
Find the measure of angle A.
a)
44o
b)
96o
c)
-14o
d)
63o
13.

Find x

a)

40 degrees

b)

21 degrees

c)

42 degrees

d)

39 degrees

14.
Solve for x.
a)
5
b)
12
c)
-7
d)
-6
15.
Find the measure of angle A.
a)
75o
b)
60o
c)
30o
d)
38o
16.
Solve for x.
a)
16
b)
11
c)
50
d)
6