Given m | n, find the value of x and y.

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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### Problem Statement

Given that lines \( m \parallel n \), find the values of \( x \) and \( y \).

### Diagram Explanation

The diagram shows two parallel lines, labeled \( m \) and \( n \), intersected by a transversal. The angles formed by the intersections are labeled in degrees. Here are the labeled angles and their expressions:

1. The angle next to line \( m \) formed by the transversal is labeled as \( y^\circ \).
2. The angle below the intersection of the transversal with line \( n \) is labeled as \((2x - 6)^\circ \).
3. The angle adjacent to the intersection of the transversal with line \( n \) is labeled as \((x + 14)^\circ \).

### Steps to Find \( x \) and \( y \)

1. **Identify Angle Relationships:**
   - Since \( m \parallel n \) and they are intersected by a transversal, corresponding angles are equal, alternate interior angles are equal, and consecutive interior angles are supplementary.

2. **Corresponding Angles:**
   - \( y^\circ \) is equal to \((2x - 6)^\circ \) because they are corresponding angles.

     Therefore, we can write:
     \[
     y = 2x - 6
     \]

3. **Co-Interior Angles:**
   - The angles \((x + 14)^\circ \) and \( y^\circ \) are co-interior angles, which sum up to 180 degrees because they are on the same side of the transversal.

     Therefore, we can write:
     \[
     (x + 14) + y = 180
     \]

### Solving the Equations

1. Substitute the equation for \( y \) from step 2 into the equation from step 3:
   \[
   (x + 14) + (2x - 6) = 180
   \]

2. Simplify and solve for \( x \):
   \[
   x + 14 + 2x - 6 = 180
   \]
   \[
   3x + 8 = 180
   \]
   \[
   3x = 172
   \]
   \[
   x = \frac{172}{3}
   \]
   \[
   x
Transcribed Image Text:### Problem Statement Given that lines \( m \parallel n \), find the values of \( x \) and \( y \). ### Diagram Explanation The diagram shows two parallel lines, labeled \( m \) and \( n \), intersected by a transversal. The angles formed by the intersections are labeled in degrees. Here are the labeled angles and their expressions: 1. The angle next to line \( m \) formed by the transversal is labeled as \( y^\circ \). 2. The angle below the intersection of the transversal with line \( n \) is labeled as \((2x - 6)^\circ \). 3. The angle adjacent to the intersection of the transversal with line \( n \) is labeled as \((x + 14)^\circ \). ### Steps to Find \( x \) and \( y \) 1. **Identify Angle Relationships:** - Since \( m \parallel n \) and they are intersected by a transversal, corresponding angles are equal, alternate interior angles are equal, and consecutive interior angles are supplementary. 2. **Corresponding Angles:** - \( y^\circ \) is equal to \((2x - 6)^\circ \) because they are corresponding angles. Therefore, we can write: \[ y = 2x - 6 \] 3. **Co-Interior Angles:** - The angles \((x + 14)^\circ \) and \( y^\circ \) are co-interior angles, which sum up to 180 degrees because they are on the same side of the transversal. Therefore, we can write: \[ (x + 14) + y = 180 \] ### Solving the Equations 1. Substitute the equation for \( y \) from step 2 into the equation from step 3: \[ (x + 14) + (2x - 6) = 180 \] 2. Simplify and solve for \( x \): \[ x + 14 + 2x - 6 = 180 \] \[ 3x + 8 = 180 \] \[ 3x = 172 \] \[ x = \frac{172}{3} \] \[ x
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