# COURSE OF SOLID GEOMETRY – ENGLISH – CHAPTER 5

COURSE SOLID GEOMETRY

CHAPTER 5 – PART 1

Concave Polygons and Convex Polygons Definitions

Regular and Non-Regular Polygons

Regular Polygons Types

Important Structures of the Polygons

COURSE SOLID GEOMETRY

CHAPTER 5 – PART 2

Relations between Elements of the Lateral Triangle

Table of Values for Central Angles of the Polygons, Sine and Cosine

Sum of the External Angles of the Polygons

Sum of the Internal Angles of the Polygons

Number of Diagonals of a Polygon,

Values of the Angles in a Regular Polygon,

COURSE SOLID GEOMETRY

CHAPTER 5 – PART 3

Regular Hexagon Polygon

Regular Triangle Polygon

Regular Dodecahedron Polygon

Square Polygon

Regular Octagon Polygon

COURSE SOLID GEOMETRY

CHAPTER 5 – PART 4

Regular Decagon Polygon

Regular Pentagon Polygon

Regular Heptagon Polygon

COURSE SOLID GEOMETRY

CHAPTER 5 – PART 5

Nonagon Regular Polygon

Hendecagon Regular Polygon

Final Considerations on Polygons

COURSE SOLID GEOMETRY

CHAPTER 5 – PART 6

22 Problems to be solved