ΨΗΦ. ΑΣΚΗΣΕΙΣ
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A CYCLOLOGIC THEOREM RELATED TO EXCENTRAL TRIANGLE.
[APH] Excentral version Let ABC be a triangle, IaIbIc the excentral triangle and P a point.. Denote Pa, Pb, Pc = same to P points of ...
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Let ABC be a triangle. Denote: (N1),(N2), (N3) = the NPCs of IBC, ICA, IAB, resp. (12), (13) = the reflections of (N1) in BI, CI, resp. ...
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Theorem 1. Let ABC be an equilateral triangle and P a point. The Euler lines of the triangles PBC,PCA,PAB are concurent.Denote the point ...



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