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Proof Without Words: 45-45-90

Author:Steve Phelps

New Resources

  • Pythagorean Day
  • Linear Approximations
  • The Red Chair
  • Colors for GeoGebra
  • 畫三角形

Discover Resources

  • Kreisbewegung (Sinus und Kosinus)
  • Wednesday 1 march
  • Properties of an exponential function.
  • triangle
  • Open Middle: Graphing Linear Inequalities (4)

Discover Topics

  • Tree Diagrams
  • Pyramid
  • Interest Calculation
  • Percentages
  • Square
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