Given: r || s, s || t 4. Prove: 17 97 10 7. 8. 11 12

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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### Geometry Problem: Proving Angle Congruence

**Given**:  
- \( r \parallel s, s \parallel t \)

**Prove**:  
- \( \angle 6 \cong \angle 7 \)

**Diagram Explanation**:
The diagram on the right shows three parallel lines labeled \( r \), \( s \), and \( t \), intersected by a transversal labeled \( q \). As a result, several angles are formed at the intersections.

- Angles are labeled from 1 to 12 around the intersections.
- Between \( r \) and \( s \): Angles 2, 3, 8, 9 are formed.
- Between \( s \) and \( t \): Angles 4, 5, 10, 11 are formed.

### Proof Table

| Statements | Reasons |
|------------|---------|
|            |         |
|            |         |
|            |         |

**Note**: Fill in the statements and reasons to complete the proof. Use geometric postulates and theorems such as corresponding angles postulate or alternate interior angles theorem to prove angle congruence.
Transcribed Image Text:### Geometry Problem: Proving Angle Congruence **Given**: - \( r \parallel s, s \parallel t \) **Prove**: - \( \angle 6 \cong \angle 7 \) **Diagram Explanation**: The diagram on the right shows three parallel lines labeled \( r \), \( s \), and \( t \), intersected by a transversal labeled \( q \). As a result, several angles are formed at the intersections. - Angles are labeled from 1 to 12 around the intersections. - Between \( r \) and \( s \): Angles 2, 3, 8, 9 are formed. - Between \( s \) and \( t \): Angles 4, 5, 10, 11 are formed. ### Proof Table | Statements | Reasons | |------------|---------| | | | | | | | | | **Note**: Fill in the statements and reasons to complete the proof. Use geometric postulates and theorems such as corresponding angles postulate or alternate interior angles theorem to prove angle congruence.
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