# Chapter 4: Triangles and Congruence

Difficulty Level:

**Basic**Created by: CK-12

In this chapter, you will learn all about triangles. First, we will find out how many degrees are in a triangle and other properties of the angles within a triangle. Second, we will use that information to determine if two different triangles are congruent. Finally, we will investigate the properties of isosceles and equilateral triangles.

Chapter Outline

- 4.1.
## Triangle Sums

- 4.2.
## Congruent Figures

- 4.3.
## Triangle Congruence using SSS and SAS

- 4.4.
## Triangle Congruence using ASA, AAS, and HL

- 4.5.
## Isosceles and Equilateral Triangles

- 4.6.
## Chapter 4 Review

- 4.7.
## Study Guide

### Chapter Summary

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Description

This chapter explores the properties of triangles, specifically their angles. Students learn the different methods used to determine congruency. Also covered is an introduction to isosceles and equilateral triangles.

Difficulty Level:

Basic
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Date Created:

Aug 07, 2013
Last Modified:

Jan 14, 2016
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