Altitude Planes and the Orthocentric Line
- Author:
- Steve Phelps
- Topic:
- Geometry
An Altitude Plane is a plane through an edge of a trihedral angle that is perpendicular to the opposite face.
The three Altitude Planes are coaxal. This common axis is the Orthocentric Line.
The Orthocentric Line intersects any triangle determined by the edges of the trihedral angle it the orthocenter.