# 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

### Image Attributions

## 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:

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