From proposition I.6 Prove that in a triangle in which two angles are equal, the sides opposite the to these angles must be congruent Assume that you are working in Hilbert plane. Proposition I6: if the base angles are equal the triangle is isosceles.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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From proposition I.6 Prove that in a triangle in which two angles are equal, the sides opposite the to these angles must be congruent Assume that you are working in Hilbert plane. Proposition I6: if the base angles are equal the triangle is isosceles.
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