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Proof Without Words

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

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  • Limaçons
  • Involute of the Circle
  • Graphing 1 + cos(θ) in Polar Coordinates
  • Padel rebound angle (ignoring spin)
  • Difference engine Babbage vb 2

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  • Corner Reflection
  • Video 4
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