Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Question
![### Parallel Lines and Angle Measures
In the diagram provided, three lines \( m \), \( n \), and \( t \) intersect, creating eight distinct angles labeled 1 through 8.
The lines are arranged as follows:
- Line \( m \) and Line \( t \) are intersected by Line \( n \), forming a set of angles at each intersection.
### Given Information:
We need to determine the value of \( x \) that makes lines \( m \) and \( n \) parallel. Two specific angle measures are provided:
- \( m \angle 4 = 5x - 17 \)
- \( m \angle 6 = 4x + 3 \)
The relationships of the angles formed suggest that if \( m \) and \( n \) are to be parallel, \( \angle 4 \) and \( \angle 6 \) are alternate interior angles. For \( m \parallel n \), these alternate interior angles must be equal.
### To Find:
Determine the value of \( x \) such that \( m \parallel n \).
### Solution:
Set \( m \angle 4 \) equal to \( m \angle 6 \):
\[
5x - 17 = 4x + 3
\]
Solving for \( x \):
\[
5x - 4x - 17 = 3
\]
\[
x - 17 = 3
\]
\[
x = 20
\]
### Conclusion:
The value of \( x \) that will make lines \( m \) parallel to line \( n \) is \( \boxed{20} \).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20047395-754f-4b4f-b55f-051358973abe%2Fd67443dd-fb8c-4a71-bdaf-bc23721636cd%2Ft8eqv9.jpeg&w=3840&q=75)
Transcribed Image Text:### Parallel Lines and Angle Measures
In the diagram provided, three lines \( m \), \( n \), and \( t \) intersect, creating eight distinct angles labeled 1 through 8.
The lines are arranged as follows:
- Line \( m \) and Line \( t \) are intersected by Line \( n \), forming a set of angles at each intersection.
### Given Information:
We need to determine the value of \( x \) that makes lines \( m \) and \( n \) parallel. Two specific angle measures are provided:
- \( m \angle 4 = 5x - 17 \)
- \( m \angle 6 = 4x + 3 \)
The relationships of the angles formed suggest that if \( m \) and \( n \) are to be parallel, \( \angle 4 \) and \( \angle 6 \) are alternate interior angles. For \( m \parallel n \), these alternate interior angles must be equal.
### To Find:
Determine the value of \( x \) such that \( m \parallel n \).
### Solution:
Set \( m \angle 4 \) equal to \( m \angle 6 \):
\[
5x - 17 = 4x + 3
\]
Solving for \( x \):
\[
5x - 4x - 17 = 3
\]
\[
x - 17 = 3
\]
\[
x = 20
\]
### Conclusion:
The value of \( x \) that will make lines \( m \) parallel to line \( n \) is \( \boxed{20} \).
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