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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?

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  • Which Quadrilateral is Which?

Discover Resources

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Discover Topics

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  • Constructions
  • Numbers
  • Special Points
  • Random Variables
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