Equal Segments In An Isosceles Triangle

Illustration showing that if equal segments prolonged through the vertex are laid off on the arms of an isosceles triangle, the lines joining the ends of these segments to the opposite ends of the base will be equal.

Keywords

equal, triangles, Vertex, isosceles triangle, angle bisector, congruent angles, congruent segments, prolonged

Galleries

Geometric Theorems and Proofs

Source

C. A. Hart & Daniel D. Feldman Plane And Solid Geometry (New York: American Book Company, 1911) 29

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