## line segment

### A line segment is a part of a line that is bounded by two distinct points, known as the endpoints of the segment

A line segment is a part of a line that is bounded by two distinct points, known as the endpoints of the segment. It is often represented by a straight line with two endpoints marked with a small line segment or dots.

In order to fully define a line segment, you need to specify its two endpoints. For example, if you have a line with endpoint A and endpoint B, you can represent the line segment by writing AB.

The length of a line segment can be determined by measuring the distance between its two endpoints. This can be done using a ruler or by using the distance formula in coordinate geometry. If the coordinates of the endpoints are known, the distance formula can be applied to find the length of the segment.

The distance formula is given by:

d = √((x₂ – x₁)² + (y₂ – y₁)²)

Where (x₁, y₁) and (x₂, y₂) are the coordinates of the endpoints.

It is important to note that a line segment is finite and has a definite length. It does not extend endlessly in both directions like a line.

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