Perpendicular distance
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In geometry, the perpendicular distance between two objects is the distance from one to the other, measured along a line that is perpendicular to one or both. In particular, see:
- Distance from a point to a line, for the perpendicular distance from a point to a line in two-dimensional space
- Point on plane closest to origin, for the perpendicular distance from the origin to a plane in three-dimensional space
- Plane (geometry)#Distance from a point to a plane, for the perpendicular distance from an arbitrary point to a plane in three-dimensional space
- Skew lines#Distance, for the perpendicular distance between two lines in three-dimensional space
- Deming regression and total least squares, statistical methods for fitting a line to a data set that use perpendicular distance to measure the quality of a fit