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Triangle Sum Theorem

Total questions: 10

Worksheet time: 19mins

Name
Class
Date
1.

Find the missing angle.

a)

59°59\degree

b)

29°29\degree

c)

180°180\degree

d)

90°90\degree

2.

Find the missing angle.

a)

35°35\degree

b)

27°27\degree

c)

180°180\degree

d)

90°90\degree

3.

Find the missing angle.

a)

117°117\degree

b)

27°27\degree

c)

63°63\degree

d)

60°60\degree

4.

Find the missing angle.

a)

84°84\degree

b)

32°32\degree

c)

64°64\degree

d)

148°148\degree

5.

Find the missing angle.

a)

84°84\degree

b)

52°52\degree

c)

54°54\degree

d)

22°22\degree

6.

Find the missing angle.

a)

105°105\degree

b)

75°75\degree

c)

60°60\degree

d)

55°55\degree

7.

Find the missing angle.

a)

123°123\degree

b)

60°60\degree

c)

13°13\degree

d)

57°57\degree

8.

Find the missing angle.

a)

147°147\degree

b)

30°30\degree

c)

33°33\degree

d)

81°81\degree

9.

The triangle sum theorem states that the sum of all angles in a triangle is

a)

40°40\degree

b)

90°90\degree

c)

180°180\degree

d)

50°50\degree

10.

What is the measure of a third angle in a triangle when the first two angles measure

 34° and 101°34\degree\ and\ 101\degree  ?

a)

 32°32\degree  

b)

 45°45\degree  

c)

 54°54\degree  

d)

 39°39\degree