R (20x-10)° (9x + 4)° >M A

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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Solve for x. 

The image shows a triangle labeled \( \triangle ARM \) with points \( A \), \( R \), and \( M \).

- Angle \( \angle ARM \) is labeled as \( (20x - 10)^\circ \).
- Angle \( \angle AMR \) is labeled as \( (9x + 4)^\circ \).
- The sides \( \overline{RA} \) and \( \overline{AM} \) are marked with a single hash, indicating they are of equal length.

This diagram appears to represent an isosceles triangle due to the equal side markings, which suggests that angles opposite these sides are equal, unless otherwise specified. The task consists of finding the value of \( x \) or solving further based on these clues.
Transcribed Image Text:The image shows a triangle labeled \( \triangle ARM \) with points \( A \), \( R \), and \( M \). - Angle \( \angle ARM \) is labeled as \( (20x - 10)^\circ \). - Angle \( \angle AMR \) is labeled as \( (9x + 4)^\circ \). - The sides \( \overline{RA} \) and \( \overline{AM} \) are marked with a single hash, indicating they are of equal length. This diagram appears to represent an isosceles triangle due to the equal side markings, which suggests that angles opposite these sides are equal, unless otherwise specified. The task consists of finding the value of \( x \) or solving further based on these clues.
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