Definition:Perpendicular Distance
Jump to navigation
Jump to search
Definition
Let $\mathcal L$ be a straight line.
Let $P$ be a point not on $\mathcal L$.
Let a perpendicular be dropped from $P$ to $\mathcal L$, intersecting $\mathcal L$ at $A$.
The perpendicular distance from $P$ to $\mathcal L$ is defined as being the length of the line $AP$.