Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN: 9781337614085
Author: Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher: Cengage,
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**Problem Statement:**

Given \( m \parallel n \), find the value of \( x \) and \( y \).

**Diagram Explanation:**

The image shows two parallel lines, \( m \) and \( n \), with a transversal line intersecting them. There are three angle expressions marked:

1. The angle between the transversal and line \( m \) is labeled as \( (5x + 9)^\circ \).
2. The angle between the transversal and line \( n \) is labeled as \( (4x + 17)^\circ \).
3. There is another angle on line \( n \) labeled as \( (y + 20)^\circ \).

**Calculations:**

To find the values of \( x \) and \( y \), use the properties of parallel lines and corresponding angles:

- Since \( m \parallel n \), the corresponding angles are equal. Therefore, set the expressions for corresponding angles equal to each other:

  \[
  5x + 9 = 4x + 17
  \]

  Solving this equation will give you the value of \( x \).

- To find \( y \), use the fact that the angle \( (y + 20)^\circ \) is supplementary to the angle \( (4x + 17)^\circ \) because they are on a straight line intersected by the transversal.

  \[
  (4x + 17) + (y + 20) = 180
  \]

  Plug the value of \( x \) from the first equation into this equation to solve for \( y \).

**Input Fields:**

- \( x = \) [Input box for \( x \)]
- \( y = \) [Input box for \( y \)]

**Submit Button:**

- [Submit Answer]
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Transcribed Image Text:**Problem Statement:** Given \( m \parallel n \), find the value of \( x \) and \( y \). **Diagram Explanation:** The image shows two parallel lines, \( m \) and \( n \), with a transversal line intersecting them. There are three angle expressions marked: 1. The angle between the transversal and line \( m \) is labeled as \( (5x + 9)^\circ \). 2. The angle between the transversal and line \( n \) is labeled as \( (4x + 17)^\circ \). 3. There is another angle on line \( n \) labeled as \( (y + 20)^\circ \). **Calculations:** To find the values of \( x \) and \( y \), use the properties of parallel lines and corresponding angles: - Since \( m \parallel n \), the corresponding angles are equal. Therefore, set the expressions for corresponding angles equal to each other: \[ 5x + 9 = 4x + 17 \] Solving this equation will give you the value of \( x \). - To find \( y \), use the fact that the angle \( (y + 20)^\circ \) is supplementary to the angle \( (4x + 17)^\circ \) because they are on a straight line intersected by the transversal. \[ (4x + 17) + (y + 20) = 180 \] Plug the value of \( x \) from the first equation into this equation to solve for \( y \). **Input Fields:** - \( x = \) [Input box for \( x \)] - \( y = \) [Input box for \( y \)] **Submit Button:** - [Submit Answer]
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