Polygon is a closed figure made up of several line segments that are joined together.The sides meet at vertices, they do not cross each other.
There are five types of polygon.They are regular polygon, equiangular polygon, equilateral polygon, concave polygon and convex polygon.
The area of a polygon is calculated by the formula, A = (1/2)N sine(360degree/N)S^2
where N is the number of sides and S is the length from center to a corner.
Next time we will learn the different types of polygon in detail.
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