Plane Bisecting Dihedral Angle Small 320×281 Medium 640×563 Large 1024×901 Download Tiff Original 2400×2111 | (437.8 KB) Description Diagram used to prove the theorem: "Every point in a plane which bisects a dihedral angle is equidistant from the faces of the angle" Keywords angle, dihedral angles, faces, intersection, intersections, perpendiculars Galleries Geometric Theorems and Proofs Source: Arthur Latham Baker The Elements of Solid Geometr with Numerous Exercises (Boston, MA: Ginn & Company, 1893)
