ETC

X(72939) = X(1)X(15111)∩X(34152)X(63631) Barycentrics    a^2*(a^20-6*a^18*b^2+15*a^16*b^4-20*a^14*b^6+14*a^12*b^8-14*a^8*b^12+20*a^6*b^1...

  • EUCLID 4404
  • 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 ...
  • 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. ...