Equal Segments In An Isosceles Triangle
Illustration showing that if equal segments measured from the end of the base prolonged are laid off on the base of an isosceles triangle, the lines joining the vertex of the triangle to the ends of the segments will be equal.
Keywordsequal, triangles, Vertex, isosceles triangle, congruent angles, congruent segments, geometric proof, prolonged base
GalleriesGeometric Theorems and Proofs
C. A. Hart & Daniel D. Feldman Plane And Solid Geometry (New York: American Book Company, 1911) 32