# Chapter 3: Properties of Triangles

Difficulty Level:

**Basic**Created by: CK-12## Chapter Outline

- 3.1. Concept Map
- 3.2. Vocabulary Self-Rating
- 3.3. Triangle Basics
- 3.4. Triangle Sum and Exterior Angle Theorems
- 3.5. Triangle Inequality Theorem
- 3.6. Pythagorean Theorem, Part 1: Proof & Finding a Missing Side
- 3.7. Pythagorean Theorem, Part 2: Applications & Triples
- 3.8. Pythagorean Theorem, Part 3: Converse of the Pythagorean Theorem
- 3.9. Synthesis Day (Day 1 of 2 in Unit 3)
- 3.10. Operations with Radicals Review
- 3.11. Special Right Triangles, 45–45–90
- 3.12. Special Right Triangles, 30-60-90
- 3.13. Synthesis Day (Day 2 of 2 in Unit 3)

### Chapter Summary

### Image Attributions

## Description

This chapter introduces triangles and their properties.

## Difficulty Level:

Basic## Tags:

## Subjects:

## Date Created:

Feb 23, 2012## Last Modified:

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