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Golden Ratio in Sangaku

Author:Ruben R. Puentedura

New Resources

  • Function Machine
  • GeoGebra Notes
  • Marion's Theorem
  • Translation in 3D (via x, y, z)
  • Proof of a Rhombus by Construction and Deduction

Discover Resources

  • Trapezoids
  • Sun Angles on "Flat Earth Model"
  • Investigation: Area of a triangle using parallelograms
  • Perpendicular Bisector
  • Angle Sum Theorem Trial

Discover Topics

  • Power Functions
  • Geometric Distribution
  • Interest Calculation
  • Root
  • Line Segment
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