Exterior Angle Bisector of Triangle Dividing Opposite Side Into Proportionate Segments Small 320×183 Medium 640×365 Large 1024×584 Download Tiff Original 2400×1369 | (135.0 KB) Description Illustration to show that a bisector of a an exterior angle of a triangle divides the opposite side into segments which are proportional to the adjacent sides. Keywords angle bisector, divide proportionally, exterior, proportion, proportionate, proportions, side, Sides, triangle Galleries Proportions Source: G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 147
