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Polygon:

Polygon is a representation of the surface. It is primitive which is closed in nature. It is formed using a collection of lines. It is also called as many-sided figure. The lines combined to form polygon are called sides or edges. The lines are obtained by combining two vertices.

Example of Polygon:

  1. Triangle
  2. Rectangle
  3. Hexagon
  4. Pentagon

Following figures shows some polygons.

Polygon
Polygon
Polygon

Types of Polygons

  1. Concave
  2. Convex

A polygon is called convex of line joining any two interior points of the polygon lies inside the polygon. A non-convex polygon is said to be concave. A concave polygon has one interior angle greater than 180. So that it can be clipped into similar polygons.

Polygon
Polygon

A polygon can be positive or negative oriented. If we visit vertices and vertices visit produces counterclockwise circuit, then orientation is said to be positive.

Polygon
Polygon




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