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Green Geometry : Euler Line and Nine-point circle

Author:Lionel GERVAIS
Watch the following YouTube videos from Norman J. Wildberger:
  • Green geometry (I) | WildTrig: Intro to Rational Trigonometry | N J Wildberger
  • Green geometry (II) | WildTrig: Intro to Rational Trigonometry | N J Wildberger
Move the points A1, A2 or A3 of the triangle.

New Resources

  • Mouvement des aiguilles d'une horloge (sinus)
  • Chronomètre en secondes entières
  • Flocon de Koch 241026
  • Nombre de jours entre deux dates.
  • Coffre

Discover Resources

  • Système d'équations
  • Volume cylindre cone
  • Parallélépipède rectangle
  • Loi optique snell-descartes maxwell
  • Carré magique 5x5

Discover Topics

  • Tangent Function
  • Perimeter
  • Logarithmic Functions
  • Sine
  • Polynomial Functions
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