## line segment

### A line segment is a basic geometric figure in mathematics

A line segment is a basic geometric figure in mathematics. It is a straight line with two distinct endpoints. The segment is defined by these two points and comprises all the points on the line connecting those points.

In a diagram, a line segment is usually represented by a line with a distinct start and end point, indicated by small dots or a small line segment on each end to depict the endpoints. The length of a line segment can be measured by determining the distance between its endpoints.

A line segment differs from a line, as a line extends infinitely in both directions, while a line segment has a specific length and terminates at its endpoints. The length of a line segment is always positive, as it represents a distance. It may be measured in any appropriate unit such as inches, centimeters, or meters.

The concept of line segments is fundamental in various branches of mathematics, including geometry, algebra, and calculus. They are used to illustrate and solve many mathematical problems, such as finding the distance between two points or determining the midpoint of a line segment.

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