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

Transcribed Image Text:**Title: Understanding Translation of Triangles on a Coordinate Plane**
**Topic: Translating Geometric Figures**
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**Objective:**
Learn how to translate the image of a triangle on a coordinate plane.
**Instructions:**
The given task is to draw the image of triangle \( \triangle ABC \) under a translation by 5 units to the left.
**Graphical Explanation:**
1. **Triangle \( \triangle ABC \):**
- The triangle is plotted on a coordinate plane.
- Vertices of the triangle:
- Point \( A \) is located at (2, 2).
- Point \( B \) is at (2, -3).
- Point \( C \) is at (3, -1).
- The vertices are connected forming \( \triangle ABC \).
2. **Translation by 5 Units to the Left:**
- Translation means moving every point of the shape a certain number of units in a specified direction.
- In this case, we move each vertex of \( \triangle ABC \) 5 units to the left.
3. **New Coordinates after Translation:**
- Point \( A \) moves from (2, 2) to (2 - 5, 2) = (-3, 2).
- Point \( B \) moves from (2, -3) to (2 - 5, -3) = (-3, -3).
- Point \( C \) moves from (3, -1) to (3 - 5, -1) = (-2, -1).
4. **Transformed Triangle \( \triangle A'B'C' \):**
- The new vertices after translation are:
- Point \( A' \) at (-3, 2).
- Point \( B' \) at (-3, -3).
- Point \( C' \) at (-2, -1).
- The vertices are connected forming \( \triangle A'B'C' \).
**Visual Representation:**
- The coordinate plane in the visual shows both the original \( \triangle ABC \) (in green) and the translated \( \triangle A'B'C' \) (in blue).
- \( \triangle A'B'C' \) is accurately 5 units to the left of \( \triangle ABC \).
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This process helps understand the impact of translating figures on a coordinate plane
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