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3-7 Bellwork

Total questions: 13

Worksheet time: 26mins

Name
Class
Date
1.
The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 
a)
45°
b)
90°
c)
180°
d)
360°
2.
Find the measure of the missing angle.
a)
90o
b)
100
c)
130o
d)
50o
3.
Find the measure of the indicated angle. 
a)
95
b)
85
c)
35
d)
45
4.
Find the measure of each angle indicated.
a)
62
b)
53
c)
71
d)
50
5.

Find x.

a)

60

b)

90

c)

50

d)

180

6.
Find the measure of the missing angle.
a)
30o
b)
110o
c)
150o
d)
40o
7.
Find the measure of each angle indicated.
a)
50
b)
55
c)
60
d)
70
8.
Find the measure of each angle indicated.
a)
50
b)
20
c)
29
d)
48
9.
Solve for the missing angle measure.
a)
47
b)
57
c)
53
d)
133
10.

Find the measure of the indicated angle.

a)

107.5°107.5\degree  

b)

90°90\degree  

c)

108.5°108.5\degree  

d)

8.5°8.5\degree  

11.

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

a)

45°, 65°, 70°

b)

150°, 110°, 100°

c)

50°, 50°, 50°

d)

90°, 90°, 90°

12.
What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?
a)
43
b)
58
c)
72
d)
101
13.

Which sets of measurements could be the interior angles of a triangle? Select EACH correct answer.

a)

15°, 15°, 150°

b)

10°, 90°, 100°

c)

30°, 30°, 115°

d)

10°, 80°, 90°

e)

60°, 60°, 60°