Topics include definitions, postulates, theorems, two-column proofs (mostly involving parallel lines and triangles), quadrilaterals, other polygons, circles, basic constructions, perimeter, area, solids, volume, surface area, analytic geometry and the basic trigonometric ratios.

## Modules

## Chapter 1 - Line and Angle Relationships

### Lessons

- Geometry – Section 1.1 – Sets, Statements, and Reasoning
- Geometry – Section 1.2 – Informal Geometry and Measurement
- Geometry – Section 1.3 – Early Definitions and Postulates
- Geometry – Section 1.4 – Angles and Their Relationships
- Geometry – Section 1.5 – Introduction to Geometric Proof
- Geometry – Section 1.6 – Relationships: Perpendicular Lines
- Geometry – Section 1.7 – The Formal Proof of a Theorem

## Chapter 2 - Parallel Lines

### Lessons

## Chapter 3 - Triangles

### Lessons

## Chapter 4 - Quadrilaterals

### Lessons

## Chapter 5 - Similar Triangles

### Lessons

- Geometry – Section 5.1 – Ratios, Rates, and Proportions
- Geometry – Section 5.2 – Similar Polygons
- Geometry – Section 5.3 – Proving Triangles Similar
- Geometry – Section 5.4 – The Pythagorean Theorem
- Geometry – Section 5.5 – Special Right Triangles
- Geometry – Section 5.6 – Segments Divided Proportionally

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