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Chromogeometry : Euler lines and Nine-point circles

Author:Lionel GERVAIS
Topic:Circle
Watch the YouTube videos :
  • Chromogeometry and nine-point circles | WildTrig: Intro to Rational Trigonometry | N J Wildberger
  • Chromogeometry and Euler lines | WildTrig: Intro to Rational Trigonometry | N J Wildberger 
Move points A1, A2 or A3 of the triangle

New Resources

  • 判斷錐體
  • Forming Similar Triangles
  • apec
  • רישום חופשי
  • MC #2

Discover Resources

  • Quadratic Functions - Factoring and Standard Form
  • Interior and Exterior Angles of a Hexagon
  • Proof Pythagorean Thm
  • Vertex Form: IM Alg1.6.15
  • Open Middle: Two Way Table (2)

Discover Topics

  • Exponential Functions
  • General Quadrilateral
  • Special Points
  • Upper and Lower Sum or Riemann Sum
  • Parabola
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