Bisected Angles Small 303×320 Medium 606×640 Large 969×1024 Download Tiff Original 2271×2400 | (257.3 KB) Description Illustration to show that the bisector of two pairs of vertical angles formed by two intersecting lines are perpendicular to each other. Keywords angle, angles, bisect, bisector, bisects, perpendicular, vertical Galleries Miscellaneous Angles Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 68
