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:## Problem Set on Congruent Triangles
### Problem 7
**Given**: △XPS ≅ △DNF
**Task**: Find the values of x and y.
**Diagram Explanation**:
- Triangle XPS and Triangle DNF are congruent.
- Angle relation: ∠X = 41° - 3, ∠P = 17x + 3, ∠S given as a value to be calculated.
- Angles in △DNF: ∠D = 51°, ∠N = 57°, and ∠F = 54°.
### Problem 8
**Given**: △MTW ≅ △BGK
**Task**: Find the values of x and y.
**Diagram Explanation**:
- Triangle MTW and Triangle BGK are congruent.
- Angles in △MTW: ∠T = 43x - 3°, ∠M = value not provided, ∠W = 41°.
- Angles in △BGK: ∠B = 45°, ∠G = 2y + 4° and ∠K = (11y - 6)°.
### Problem 9
**Given**: △PRS ≅ △CFH
**Task**: Find the values of x, y, and z.
**Diagram Explanation**:
- Triangle PRS and Triangle CFH are congruent.
- Side & angles in △PRS: ∠P = 28°, ∠R = (13y - 1)°, and side PS = 2y - 7.
- Side & angles in △CFH: side CF = 24, ∠C = 39°, and angle FH = (6z - 4).
In each problem, the congruency of triangles implies that corresponding sides and angles are equal, allowing you to equate them to solve for the variables.
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