Perpendicular Distance Between a Point and a Plane

Rarely Tested

Perpendicular Distance Between a Point and a Plane

For point $$P(x_1,y_1,z_1)$$ and plane:

$$Ax+By+Cz+D=0$$

$$d=\frac{|Ax_1+By_1+Cz_1+D|}{\sqrt{A^2+B^2+C^2}}$$

Usage

- Used as the standard shortest-distance formula from a point to a plane.

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