Distance between Incenter and Fletcher Point
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Given a triangle , draw the incircle. The tangent points , , define the contact triangle. Let lines and intersect at , and at , and at . The points , , are collinear and form the perspectrix of the contact triangle, also called the Gergonne line, shown in orange.
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Contributed by: Minh Trinh Xuan (August 2022)
Open content licensed under CC BY-NC-SA
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