Unizor - Geometry2D - Triangle Inequality
Channel: Zor Shekhtman on UNIZOR Education
Date: 2011-10-02

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So called "triangle inequality" is extremely important property in mathematics. In its original form it states that a sum of two sides of a triangle is always greater than its third side. In a more general form, it is extended to a shortest distance between two points along a straight line than along any other line that connects these two points. In even more general form the concepts of points and distances are extended to extremely abstract mathematical objects, not only of geometric origin, where this property is taken as one of basic axioms of a theory.