Geometry - Distance between two points (Euclidean / Pythagorean)


In geometry (ie in coordinate space (Euclidean space)), a distance is the length of a line segment defined by two point.


With the Pythagorean theorem, it can be calculated from the Cartesian coordinates of the points.

With two coordinates: <MATH> distance = \sqrt{(x_1 - x_2)² + (y_1 - y_2)² } </MATH>

With n coordinates: <MATH> distance = \sqrt{(x_1 - x_2)² + ... + (z_n - z_n)² } </MATH>

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