Definition:Perpendicular Distance
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Definition
Let $\LL$ be a straight line.
Let $P$ be a point not on $\LL$.
Let a perpendicular be dropped from $P$ to $\LL$, intersecting $\LL$ at $A$.
The perpendicular distance from $P$ to $\LL$ is defined as being the length of the line $AP$.
Also see
- Perpendicular through Given Point
- Perpendicular is Shortest Straight Line from Point to Straight Line
Sources
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): perpendicular distance