Polygon concepts and tricks| Geometry formulas and theorems

Описание: Polygon: A closed 2D shape, formed by joining more than two lines is called a Polygon.

If the number of the sides of Polygon=n
then,

Sum of all internal angles of the polygon=(n-2)π
Sum of all external angles=2π
Number of diagonals=[n(n-3)]/2
Area of regular Polygon=??

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