Download Practice 3-4

Name
Class
Practice 3-4
Date
Parallel Lines and the Triangle Angle-Sum Theorem
Find the value of each variable.
1.
2.
x
4.
n
39
75 68
5.
6.
61
46
m
36
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30
60
93
79
10
7.
3
y
65
a b c
8.
55
44
9.
28
z
x
p
x
25
53
y
w
56
62
v t
Find the measure of each numbered angle.
10.
11.
1
12.
2
32
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140
13.
14.
2
69.7
3
4
120
3
15.
5
38
31
46
126.8
70
72
86
116 1
2
16. The sides of a triangle are 10 cm, 8 cm, and 10 cm. Classify the triangle.
17. The angles of a triangle are 44°, 110°, and 26°. Classify the triangle.
Use a protractor and a centimeter ruler to measure the angles and the sides
of each triangle. Classify each triangle by its angles and sides.
18.
Geometry Chapter 3
19.
20.
Lesson 3-4 Practice
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