**BASIC GEOMETRY – ENGLISH – CHAPTER 6**

**BASIC GEOMETRY**

**CHAPTER 6 – PART 1**

Definitions of Polygons Concave and Convex

Definitions of Polygons Regular and no Regular

Types of Regular Polygons

Important Entities and Structures of Regular Polygons

**BASIC GEOMETRY**

**CHAPTER 6 – PART 2**

Formulas of Relationships between Elements of Circumscribed Circumference and the Side Triangle

Table of Values for the Central Angle, Sine and Cosine

Calculation of the value of the side, apothem and area of the side triangle

Sum of the External Angles of a Polygon

Sum of Internal Angles of a Polygon

Number of Diagonals of a Polygon

Values of angles in a Regular Polygon

**BASIC GEOMETRY**

**CHAPTER 6 – PART 3**

Polygon Regular Hexagon

Polygon Regular Triangle

Polygon Regular Dodecagon

Polygon Regular Square

Polygon Regular Octagon

**BASIC GEOMETRY**

**CHAPTER 6 – PART 4**

Polygon Regular Decagon

Polygon Regular Pentagon

Polygon Regular Heptagon

**BASIC GEOMETRY**

**CHAPTER 6 – PART 5**

Polygon Regular Nonagon

Polygon Regular Undecagon

Final Considerations on Regular Polygons

Problems to be solved

**BASIC GEOMETRY**

**CHAPTER 6 – PART 6**

22 Problems to be Solved