Exterior Angle Bisector of Triangle Dividing Opposite Side Into Proportionate Segments
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.
Keywordstriangle, side, proportion, exterior, Sides, proportions, angle bisector, divide proportionally, proportionate
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 147