Polygon
From Wikipedia, a free encyclopedia written in simple English for easy reading.
A polygon is a closed two-dimensional shape. It has a number of edges. These edges are connected by lines. A square is a polygon because it has four sides. The smallest possible polygon in a Euclidean geometry or "flat geometry" is the triangle, but on a sphere, there can be a digon. The monogon is a theoretical figure that cannot exist - it has only one side and one edge.
If the edges (lines of the polygon) do not intersect (cross each other) , the polygon is called simple, otherwise it is complex.
In computer graphics, polygons (especially triangles) are often used to make graphics.
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