Reflection of a Point in a Plane

Rarely Tested

Reflection of a Point in a Plane

If $$\vec p$$ is the foot of perpendicular from point $$\vec a$$ to the plane, then the reflected point $$\vec a'$$ is:

$$\vec a'=2\vec p-\vec a$$

Usage

- Used to find the reflection of a point across a plane.

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