Isosceles Triangle With Interior Segment Drawn
Illustration showing an isosceles triangle with a segment inside. This can be used to show that in an isosceles triangle the angles opposite the equal sides are equal.
Keywordsgeometry, triangle, shape, equal, angle, side, triangles, isosceles, angles, Segment, polygon
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 36