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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I need help on finding the reasons to the statements.

Transcribed Image Text:**Title:** Proving Angles in an Isosceles Triangle
**Introduction:**
In this geometric proof, we explore the properties of an isosceles triangle. You are given that triangle MAT is an isosceles triangle, and point H is the midpoint of line segment MT. The goal is to prove that angles ∠AMH and ∠ATH are congruent.
**Diagram Explanation:**
The diagram shows triangle MAT with two equal sides, MA and TA, indicated by hash marks. Point H is labeled as the midpoint of line segment MT.
**Proof Table:**
| Statements | Reasons |
|-----------------------------------|-------------------------------------|
| 1. △MAT is isosceles | 1. Given |
| 2. MA ≅ TA | 2. Given |
| 3. H is the midpoint of MT | 3. Given |
| 4. MH ≅ TH | 4. Defintion of midpoint |
| 5. △MHA ≅ △THA | 5. Reflexive property of congruence |
| 6. ∠AMH ≅ ∠ATH | 6. CPCTC (Corresponding Parts of Congruent Triangles are Congruent) |
**Conclusion:**
We've demonstrated that angles ∠AMH and ∠ATH are congruent using the properties of an isosceles triangle and the midpoint theorem. This exercise highlights the application of basic geometric principles and congruence to establish angle relationships.
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