Equal Dihedral Angles Small 320×129 Medium 640×259 Large 1024×414 Download Tiff Original 2400×971 | (657.4 KB) Description Illustration of 3 equal dihedral angles. "Two dihedral angles have the same ratio as their plane angles." Keywords angles, dihedral angle, equal, lines, plane, planes, proportion, proportionate, ratio Galleries Polyhedral Angles Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 271
