# Parallel And Perpendicular Lines Worksheet Page 15

43.
CRITICAL THINKING
Explain why you can
W
5
X
1
6
4
conclude that
2 and
6 are supplementary,
but you cannot state that
4 and
6 are
2
3
necessarily supplementary.
Z
Y
44.
WRITING IN MATH
posed at the beginning of the lesson.
How can angles and lines be used in art?
• a description of how angles and lines are used to create patterns, and
• examples from two different artists that use lines and angles.
Standardized
m
45. Line is parallel to line
. What is the value of x?
120
˚
Test Practice
160
˚
m
A
30
B
40
˚
x
C
50
D
60
ALGEBRA
If ax
bx
c, then what is the value
46.
of x in terms of a, b, and c?
c
b
c
b
c
A
B
C
D
a
b
a
c
a
b
a
Mixed Review
For Exercises 47–50, refer to the figure at
G
the right.
(Lesson 3-1)
B
F
47. Name all segments parallel to AB.
H
A
48. Name all segments skew to CH.
C J
I
49. Name all planes parallel to AEF.
E
50. Name all segments intersecting GH.
D
Find the measure of each numbered angle.
(Lesson 2-8)
51.
52.
˚
124
2
1
˚
53
Identify the hypothesis and conclusion of each statement.
(Lesson 2-3)
53. If it rains this evening, then I will mow the lawn tomorrow.
54. A balanced diet will keep you healthy.
PREREQUISITE SKILL
Simplify each expression.
the Next Lesson
(To review simplifying expressions, see pages 735 and 736.)
7
9
3
6
1
4
1
1
1
5
2
3
2
1
8
55.
56.
57.
58.
59.
8
5
2
8
2
3
1
5
1
4
1
1
9
5
P
P
Lessons 3-1 and 3-2
ractice Quiz 1
ractice Quiz 1
State the transversal that forms each pair of angles. Then identify
m
the special name for the angle pair.
(Lesson 3-1)
4
3
2
1
p
1.
1 and
8
2.
6 and
10
3.
11 and
14
8
7
6
5
m
Find the measure of each angle if
and m 1
105.
(Lesson 3-2)
9 10
11 12
q
13 14
15 16
6
4
4.
5.
138 Chapter 3 Parallel and Perpendicular Lines