# 19. Construct a Triangle Given the Length of Its Base, the Difference of Its Base Angles and a Special Point of Intersection

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This Demonstration constructs a triangle given the length of its base , the difference of the base angles and the point , the intersection of and , where is the circumcenter.

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Contributed by: Izidor Hafner (October 2017)

Open content licensed under CC BY-NC-SA

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Reference

[1] D. S. Modic, *Triangles, Constructions, Algebraic Solutions* (in Slovenian), Ljubljana: Math Publishers, 2009.