1, a line segment is a geometric figure with some basic properties. The line segment is straight, which means it won't bend or bend. A line segment has two endpoints. These endpoints are two fixed points on the line segment, which define the starting point and ending point of the line segment.
2. In mathematics, line segment is regarded as a basic geometric object, which can be used to measure length, calculate area and volume. The length of a line segment can be measured in units of measurement, such as centimeters, meters or inches.
3. In addition to measuring the length, line segments can also be used to construct other geometric figures. For example, the intersection of two line segments can form an angle, the endpoints of two line segments can form a point, and so on. Besides geometry, line segments are also widely used in other fields. For example, in physics, line segments can be used to describe the trajectory of objects.
Related knowledge points of straight lines
1, Definition and Attribute: A straight line is usually defined as the shortest distance between two points, or a line segment without width and thickness. In geometry, a straight line is a very important concept, which is the most direct way to connect two points. A straight line has some basic properties, including that it can extend infinitely in two directions, without endpoints, width and thickness.
2. Representation: In geometry, straight lines are usually represented by some symbols. For example, you can use a letter to represent a straight line, such as "L" or "L", or you can use two points to represent a straight line, such as "AB" or "CD". You can also use polar coordinates or parametric equations to represent straight lines.
3. Parallel and vertical: In geometry, two straight lines can be parallel or vertical. Parallel means that two straight lines have no intersection, and vertical means that two straight lines intersect at one point. Parallelism and verticality are very important concepts in geometry, which are widely used in the calculation of area and volume.