ETC

X(73098) = 1ST HATZIPOLAKIS-MOSES-MALFATTI POINT Barycentrics    Sin[A]*(1 + Cos[A/2] + Cos[B/2] + Cos[C/2] + 2*Cos[B/2]*Cos[C/2]) : : ...

  • EUCLID 4404
  • ANOPOLIS CIRCLE
    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. ...
  • HOMOTHETIC TRIANGLES and EULER LINES
    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 ...