## Point

### In mathematics, a point is an undefined, fundamental building block

In mathematics, a point is an undefined, fundamental building block. It is a precise location in space and has no size or dimension. Points are represented by a dot and are typically labeled with a capital letter. For example, the point A is represented by the dot A.

Points are used to describe the positions of objects or to determine the starting and ending points of line segments, rays, or angles. They are also used to define other geometric objects, such as lines, planes, and shapes.

In coordinate geometry, points are identified by their coordinates, which are pairs of numbers that represent their positions on a coordinate plane. The most commonly used coordinate system is the Cartesian coordinate system, where points are located using x and y coordinates.

Points have certain properties and relationships. For example, any two distinct points define a unique line. Also, the distance between two points can be calculated using the distance formula, which is based on the Pythagorean theorem.

In summary, in mathematics, a point is an undefined location in space that has no size or dimension. It is represented by a dot and is used to describe the positions of objects and to define other geometric objects. Points have properties such as coordinates and can be used to calculate distances between them.

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