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Proof Without Words

Author:
james lynch, Steve Phelps, Beatrice
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it?

New Resources

  • G_7.02 Similarity transformations
  • Demo: Applet communication using JavaScript
  • Morley's Trisector Theorem
  • Section 4.4 Group Explorations
  • A2_1.04 Solving quadratic equations with complex solutions

Discover Resources

  • Centre of the homothety
  • Constructing a 45 degree angle
  • DILATASI DAN ROTASI
  • Copie de TP sur le théoème des valeurs intermediaires
  • Conditions for Similarity of Triangles (1) 相似三角形的判別條件(1)

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  • Arithmetic Mean
  • Cosine
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