Chapter 6 — Parallel Lines
This chapter is split into one page per lesson, based on the teaching plan’s terms and concepts.
Lesson one-pagers
| Lesson | Topic | One-pager |
|---|---|---|
| 1 | Line Symmetry | Open |
| 2 | Proving Lines Parallel | Open |
| 3 | The Parallel Postulate | Open |
| 4 | Parallel Lines and Angles | Open |
| 5 | The Angles of a Triangle | Open |
| 6 | AAS and HL Congruence | Open |
What each one-pager contains
- Words to know
- Concepts to know
- Formulas / rules
- Homework helper
- Watch out
- Check
Chapter 6 in one sentence
Parallel lines are proved by angle relationships; once parallel, those relationships give equal and supplementary angles, which lead to the triangle angle sum and new congruence shortcuts.