Given \( m \parallel n \), find the value of \( x \) and \( y \). The provided diagram contains two parallel lines \( m \) and \( n \), intersected by a transversal line. The angles formed at the intersections are labeled with expressions involving variables \( x \) and \( y \). The angles are: 1. \( (2y + 19)^\circ \): This is the angle formed between the transversal and line \( m \). 2. \( (5x + 20)^\circ \): This is the angle formed between the transversal and line \( n \) near the bottom intersection. 3. \( (4x - 11)^\circ \): This is the angle adjacent to \( (2y + 19)^\circ \). Since \( m \parallel n \), the corresponding and alternate interior angles are equal. ### Steps to Find \( x \) and \( y \): 1. Identify the relationships between the angles: - \( (2y + 19)^\circ \) and \( (5x + 20)^\circ \) are corresponding angles. - \( (2y + 19)^\circ \) is supplementary to \( (4x - 11)^\circ \). 2. Set up equations based on these relationships: \[ 2y + 19 = 5x + 20 \] \[ 2y + 19 + 4x - 11 = 180^\circ \] 3. Simplify the equations: \[ 2y + 19 = 5x + 20 \] \[ 2y + 4x + 8 = 180 \] \[ 2y + 4x = 172 \] \[ y + 2x = 86 \] 4. Solve the system of equations to find \( x \) and \( y \): From \( 2y + 19 = 5x + 20 \): \[ 2y - 5x = 1 \] Combine the equations: \[ 2y - 5x = 1 \] \[ y + 2x = 86 \] By solving this system of linear equations, you can find the precise values 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
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Given \( m \parallel n \), find the value of \( x \) and \( y \).

The provided diagram contains two parallel lines \( m \) and \( n \), intersected by a transversal line. The angles formed at the intersections are labeled with expressions involving variables \( x \) and \( y \).

The angles are:
1. \( (2y + 19)^\circ \): This is the angle formed between the transversal and line \( m \).
2. \( (5x + 20)^\circ \): This is the angle formed between the transversal and line \( n \) near the bottom intersection.
3. \( (4x - 11)^\circ \): This is the angle adjacent to \( (2y + 19)^\circ \).

Since \( m \parallel n \), the corresponding and alternate interior angles are equal.

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

1. Identify the relationships between the angles:
   - \( (2y + 19)^\circ \) and \( (5x + 20)^\circ \) are corresponding angles.
   - \( (2y + 19)^\circ \) is supplementary to \( (4x - 11)^\circ \).

2. Set up equations based on these relationships:
   \[ 2y + 19 = 5x + 20 \]
   \[ 2y + 19 + 4x - 11 = 180^\circ \]

3. Simplify the equations:
   \[ 2y + 19 = 5x + 20 \]
   \[ 2y + 4x + 8 = 180 \]
   \[ 2y + 4x = 172 \]
   \[ y + 2x = 86 \]

4. Solve the system of equations to find \( x \) and \( y \):
   From \( 2y + 19 = 5x + 20 \):
   \[ 2y - 5x = 1 \]

   Combine the equations:
   \[ 2y - 5x = 1 \]
   \[ y + 2x = 86 \]

By solving this system of linear equations, you can find the precise values of \( x \) and \( y \).
Transcribed Image Text:Given \( m \parallel n \), find the value of \( x \) and \( y \). The provided diagram contains two parallel lines \( m \) and \( n \), intersected by a transversal line. The angles formed at the intersections are labeled with expressions involving variables \( x \) and \( y \). The angles are: 1. \( (2y + 19)^\circ \): This is the angle formed between the transversal and line \( m \). 2. \( (5x + 20)^\circ \): This is the angle formed between the transversal and line \( n \) near the bottom intersection. 3. \( (4x - 11)^\circ \): This is the angle adjacent to \( (2y + 19)^\circ \). Since \( m \parallel n \), the corresponding and alternate interior angles are equal. ### Steps to Find \( x \) and \( y \): 1. Identify the relationships between the angles: - \( (2y + 19)^\circ \) and \( (5x + 20)^\circ \) are corresponding angles. - \( (2y + 19)^\circ \) is supplementary to \( (4x - 11)^\circ \). 2. Set up equations based on these relationships: \[ 2y + 19 = 5x + 20 \] \[ 2y + 19 + 4x - 11 = 180^\circ \] 3. Simplify the equations: \[ 2y + 19 = 5x + 20 \] \[ 2y + 4x + 8 = 180 \] \[ 2y + 4x = 172 \] \[ y + 2x = 86 \] 4. Solve the system of equations to find \( x \) and \( y \): From \( 2y + 19 = 5x + 20 \): \[ 2y - 5x = 1 \] Combine the equations: \[ 2y - 5x = 1 \] \[ y + 2x = 86 \] By solving this system of linear equations, you can find the precise values of \( x \) and \( y \).
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