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A '''line segment''' is a finite, unbroken portion of a [[line]] (lines extend infinitely in both directions. A line segment of the real line is more commonly known as an [[interval]], ''[a,b]'' for some real numbers ''a≤b''.

A '''line segment''' is a finite, unbroken portion of a [[line]] (lines extend infinitely in both directions. Alternatively, a line segment can be thought of as the set of all [[point]]s that lie on the line between two given points. The two given points are called the end points of the line segment. <ref>[http://strader.cehd.tamu.edu/Mathematics/Geometry/PolygonLesson/Details/line_segment.html Texas A&M]</ref>

 

Alternatively, a line segment can be thought of as the set of all [[point]]s that lie on the line between two given points. The two given points are called the end points of the line segment. <ref>[http://strader.cehd.tamu.edu/Mathematics/Geometry/PolygonLesson/Details/line_segment.html Texas A&M]</ref>

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