Line segment
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A line segment is a finite, unbroken portion of a line (lines extend infinitely in both directions). For example, the real line extends through all the real numbers from negative infinity to positive infinity. A line segment of the real line is more commonly known as an interval, [a,b] for some real numbers aâ¤b.
- A line segment is the set of all points that lie on the line between two given points. The two given points are called the end points of the line segment. [1]