# Chapter 9: Distance and Area

Difficulty Level:

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

## Introduction

In this chapter, students will engage with the following concepts: square roots, the Pythagorean Theorem, area of parallelograms, trapezoids, triangles and circles, circumference of circles, irrational numbers and rational numbers.

Chapter Outline

- 9.1.
## Evaluation of Square Roots

- 9.2.
## Evaluation of Perfect Square Roots

- 9.3.
## Simplification of Radical Expressions

- 9.4.
## Equations with Square Roots

- 9.5.
## Estimation of Square Roots

- 9.6.
## Properties of Rational Numbers versus Irrational Numbers

- 9.7.
## Pythagorean Theorem and its Converse

- 9.8.
## Solving Equations Using the Pythagorean Theorem

- 9.9.
## Area of a Parallelogram

- 9.10.
## Unknown Dimensions of a Parallelogram

- 9.11.
## Estimation of Parallelogram Area in Scale Drawings

- 9.12.
## Triangle Area

- 9.13.
## Unknown Dimensions of Triangles

- 9.14.
## Area of Composite Shapes Involving Triangles

- 9.15.
## Circle Circumference

- 9.16.
## Diameter or Radius of a Circle Given Circumference

- 9.17.
## Area of a Circle

- 9.18.
## Radius or Diameter of a Circle Given Area

- 9.19.
## Areas of Combined Figures Involving Circles

### Chapter Summary

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Description

This chapter covers: square roots, the Pythagorean Theorem, area of parallelograms, trapezoids, triangles and circles, circumference of circles, irrational numbers and rational numbers.

Difficulty Level:

At Grade
Subjects:

Grades:

Date Created:

Aug 16, 2013
Last Modified:

Mar 23, 2016
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