# Chapter 8: Right Triangle Trigonometry

Difficulty Level:

**At Grade**Created by: CK-12

Chapter 8 takes a look at right triangles. A right triangle is a triangle with exactly one right angle. In this chapter, we will prove the Pythagorean Theorem and its converse. Then, we will discuss trigonometry ratios and inverse ratios.

## Chapter Outline

- 8.1. The Pythagorean Theorem
- 8.2. Converse of the Pythagorean Theorem
- 8.3. Using Similar Right Triangles
- 8.4. Special Right Triangles
- 8.5. Tangent, Sine and Cosine
- 8.6. Inverse Trigonometric Ratios
- 8.7. Chapter 8 Review
- 8.8. Study Guide

### Chapter Summary

### Image Attributions

## Description

This chapter proves the Pythagorean Theorem and its converse. It also introduces trigonometry ratios and covers an extension about the Law of Sines and the Law of Cosines.

## Authors:

## Editors:

## Tags:

## Subjects:

## Date Created:

Feb 22, 2012## Last Modified:

Apr 29, 2014
Files can only be attached to the latest version of None