Given AVXY and AVWZ, what is VW? 62.5 50 80 VW = %3D О 37.5 О з0.25 O 104.2 O10.75

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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### Geometry Problem: Finding the Length of VW

**Problem Statement:**
Given triangles \( \Delta VXY \) and \( \Delta WYZ \), what is the length of \( VW \)?

**Diagram Explanation:**
The diagram shows two right triangles, \( \Delta VXY \) and \( \Delta WYZ \), which share angle \( Y \). Here are the key elements in the diagram:
- \( VXY \) is a right triangle with a right angle at \( Y \).
- \( Z \) is a point on \( XY \) such that \( WZ \) is perpendicular to \( XY \).
- The hypotenuse \( VX \) measures 62.5 units.
- Side \( XY \) is divided into two segments by point \( Z \): \( XZ \) (not explicitly labeled with a length) and \( ZY \), measuring 50 units.
- The total length \( VY \) is given as 80 units.

**Task:**
Calculate the length of segment \( VW \).

**Answer Options:**
1. 37.5
2. 30.25
3. 104.2
4. 10.75

### Solution:

Let's consider using geometric properties and proportions to find the length \( VW \).

Given:
- \( VX = 62.5 \)
- \( XY = 50 \)
- \( VY = 80 \)

First, recognize that in right triangles sharing a similar angle, the ratios of corresponding sides are equal. 

In right triangle \( \Delta VXY \):
- \( VY = 80 \) is the hypotenuse, and \( XY = 50 \).

Using the Pythagorean theorem:
\[ VY^2 = VX^2 + XY^2 \]
\[ 80^2 = 62.5^2 + XY^2 \]
\[ 6400 = 3906.25 + XY^2 \]
\[ XY^2 = 6400 - 3906.25 \]
\[ XY^2 = 2493.75 \]
\[ XY = \sqrt{2493.75} \]

Taking square roots:
\[ XY \approx 49.94 \]

Since (\( \approx 50) is only slightly longer.

Given \( XY = 50 \):
- \( WY \) in \( \Delta WYZ \) is the segment \(
Transcribed Image Text:### Geometry Problem: Finding the Length of VW **Problem Statement:** Given triangles \( \Delta VXY \) and \( \Delta WYZ \), what is the length of \( VW \)? **Diagram Explanation:** The diagram shows two right triangles, \( \Delta VXY \) and \( \Delta WYZ \), which share angle \( Y \). Here are the key elements in the diagram: - \( VXY \) is a right triangle with a right angle at \( Y \). - \( Z \) is a point on \( XY \) such that \( WZ \) is perpendicular to \( XY \). - The hypotenuse \( VX \) measures 62.5 units. - Side \( XY \) is divided into two segments by point \( Z \): \( XZ \) (not explicitly labeled with a length) and \( ZY \), measuring 50 units. - The total length \( VY \) is given as 80 units. **Task:** Calculate the length of segment \( VW \). **Answer Options:** 1. 37.5 2. 30.25 3. 104.2 4. 10.75 ### Solution: Let's consider using geometric properties and proportions to find the length \( VW \). Given: - \( VX = 62.5 \) - \( XY = 50 \) - \( VY = 80 \) First, recognize that in right triangles sharing a similar angle, the ratios of corresponding sides are equal. In right triangle \( \Delta VXY \): - \( VY = 80 \) is the hypotenuse, and \( XY = 50 \). Using the Pythagorean theorem: \[ VY^2 = VX^2 + XY^2 \] \[ 80^2 = 62.5^2 + XY^2 \] \[ 6400 = 3906.25 + XY^2 \] \[ XY^2 = 6400 - 3906.25 \] \[ XY^2 = 2493.75 \] \[ XY = \sqrt{2493.75} \] Taking square roots: \[ XY \approx 49.94 \] Since (\( \approx 50) is only slightly longer. Given \( XY = 50 \): - \( WY \) in \( \Delta WYZ \) is the segment \(
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