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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?
GeoGebra
New Resources
Drag that Point!
Piano. Keyboard.
Odd or Even
Introduction
Supplementary Angles
Discover Resources
Angles in the same segment Theorem
Euclid's proof of Pythagoras' theorem
Factoring quadratic equations
nbChgtSgn2
Math Project
Discover Topics
Rational Numbers
Quadratic Functions
Equations
Constructions
Arithmetic