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Proof Without Words

Author:Steve Phelps
Topic:Parallelogram, Pythagoras or Pythagorean Theorem
Drag the points. Drag the slider. What do you notice? What does this prove? How does it prove?

New Resources

  • Text with alpha background color
  • Identify Opposite, Adjacent, Hypotenuse
  • Thales' Intercept Theorem
  • Proving Triangles Similar by Dilation
  • ANGLE

Discover Resources

  • Angle-Angle Similarity Theorem
  • Grafy funkcí sinus a kosinus
  • Digonal rectangle_ryle
  • First-order linear ODEs with constant coefficients

Discover Topics

  • Congruence
  • Similarity Transformation or Similarity
  • Variance
  • Statistics
  • Linear Regression
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