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Proof Without Words
Forfatter
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
Nye Materialer
Step-By-Step Rationalization
Tracing a Surface with Curves
Triangle Flexer
Publish app "Public" test
Tracing the Hyperboloid of One Sheet
Opdag Ressourcer
Chord Bisector Demo
mariahfreedman #3 page 375 p7
Vector Addition
Inner orthoptic of a hyperbola
Udforsk emner
Statistik
Pythagoras or Pythagoræiske sætning
Fordelinger
Normalfordeling
Rette linjer