Parallel And Perpendicular Lines Worksheet Page 41
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50WRITING IN MATH
33.
Answer the question that was posed at the beginning of
the lesson.
How does the distance between parallel lines relate to hanging new shelves?
Include the following in your answer:
• an explanation of why marking several points equidistant from the first brace
will ensure that the braces are parallel, and
• a description of other types of home improvement projects that require that
two or more elements are parallel.
Standardized
GRID IN
34.
Segment AB is perpendicular to segment BD. Segment AB and
Test Practice
segment CD bisect each other at point X. If AB
16 and CD
20, what is the
length of BD?
35.
ALGEBRA
A coin was flipped 24 times and came up heads 14 times and tails
10 times. If the first and the last flips were both heads, what is the greatest
number of consecutive heads that could have occurred?
A
7
B
9
C
10
D
13
Maintain Your Skills
Maintain Your Skills
Mixed Review
Given the following information, determine which
C
lines, if any, are parallel. State the postulate or
6 1
D
theorem that justifies your answer.
(Lesson 3-5)
B A
5
4
5
6
36.
37.
6
2
3
2
E
F
38.
1 and
2 are supplementary.
Write an equation in slope-intercept form for each line.
y
b
(Lesson 3-4)
39. a
40. b
41. c
a
42. perpendicular to line a, contains ( 1,
4)
43. parallel to line c, contains (2, 5)
O
x
c
44.
PROOF
Write a two-column proof.
L
(Lesson 2-7)
M
Given: NL
NM
AL
BM
A
B
Prove: NA
NB
N
When Is Weather Normal?
It’s time to complete your project. Use the information and data
you have gathered about climate and locations on Earth to
prepare a portfolio or Web page. Be sure to include graphs and/or
tables in the presentation.
164 Chapter 3 Parallel and Perpendicular Lines
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