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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Transcribed Image Text:**Educational Transcription:**
**Problem 3: Understanding Similar Polygons**
The task is to find the value of each variable given that the polygons are similar.
**Diagram A:**
This part of the diagram displays two triangles. The left triangle has:
- A side labeled as \( y \)
- The other sides are labeled as 4 and 12.
The right triangle has:
- Corresponding side labeled as 12
- The other sides are labeled as 6 and 18.
The variables \( x \) and \( y \) correspond to angles in each triangle.
**Diagram B:**
This section shows two intersecting triangles with a common middle segment. The left triangle features:
- Side \( b \) opposite angle labeled with a curve
- Other side measures as 9.
The right triangle includes:
- Side \( a \) opposite angle labeled with a curve
- Other sides measure 15 and 10.
The triangles share a base of 12.
**Instruction:**
Using the principle that corresponding angles are equal and corresponding sides are proportional in similar polygons, solve for each variable.
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