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Proof Without Words
Author:
Steve Phelps
Drag the points below. What do you notice? What does this prove? How does this prove it?
GeoGebra
New Resources
Free fall
Floch, fractal, iteration, custom tool.
Exploding cube
apec
The Cosine Formula - Proof Without Words
Discover Resources
Problem Solving with The Pythagorean Theorem
Vector Project
Construction 3 of Corresponding Angles
Discover Topics
Kite
Normal Distribution
Cone
Tree Diagrams
Plane Figures or Shapes