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Proof Without Words
Auteur :
Šárka Voráčová
,
Steve Phelps
Drag the points in the sketch below. What do you notice? What does this prove? How does this prove it?
GeoGebra
Proof by H. Perigal (1830) and H. E. Dudeney (1917) See Cut the Knot:
Pythagorean Theorem
Nouvelles ressources
רישום חופשי
Set Operations (2 Sets)
Torus
Dividing a 2-digit number by a 1-digit number (2)
z`]]
Découvrir des ressources
My Scottish Aqueduct
geogebra
Plano Complejo
Danny Ellison
Q2 Triangle and related rectangle
Découvrir des Thèmes
Soustraction
Loi Normale
Combinatoires
Segment
Continuité