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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

  • רישום חופשי
  • Prism Drawn in 1-Point Perspective
  • seo tool
  • Reflection across a line
  • Reflection Across 2 Parallel Lines

Discover Resources

  • Elementary Constructions
  • Rotation Tessellation Step 3
  • Point of concurrency
  • Mary 的糖果棒
  • histogram2

Discover Topics

  • Matrices
  • Logarithm
  • Ratios
  • Symmetry
  • Square
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