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Created page with "== Introduction == A '''polygonal chain''' (also known as a '''polyline''') is a connected series of line segments in a given order. It is a fundamental concept in computational geometry and computer graphics, often used to represent shapes, paths, and boundaries. Polygonal chains can be open or closed, depending on whether the first and last vertices are connected. == Definition and Properties == A polygonal chain is defined by a sequence of points \( P_1, P_2, \ldot..."
