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Worksheets

Angles in a Triangle!

Total questions: 20

Worksheet time: 40mins

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.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Right-Angled Triangle

6.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Right-Angled Triangle

7.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Right-Angled Isosceles Triangle

8.

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

a)

90o

b)

45o

c)

60o

d)

50o

9.

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

a)

90o

b)

45o

c)

60o

d)

63o

10.

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

a)

81o

b)

99o

c)

88o

d)

91o

11.

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

a)

72o

b)

144o

c)

36o

d)

134o

12.

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

a)

54o

b)

63o

c)

126o

d)

134o

13.

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

a)

60o

b)

66o

c)

90o

d)

45o

14.

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

a)

60o

b)

66o

c)

90o

d)

45o

15.

What type of triangle is this...

a)

Equilateral

b)

Scalene

c)

Isosceles

d)

Right-Angled Triangle

16.

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

a)

127o

b)

53o

c)

63o

d)

117o

17.

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

a)

113o

b)

67o

c)

57o

d)

117o

18.

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

a)

141o

b)

151o

c)

29o

d)

115o

19.

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

a)

143o

b)

27o

c)

37o

d)

134o

20.

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

a)

90o

b)

91o

c)

89o

d)

98o