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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
Translation of the Graph of a Function
functionartculture
Involute of the Circle
Difference engine Babbage vb 2
Hypocycloids
Opdag Ressourcer
The Sine Rule - the ambiguous case
Serial RLC resonance
parker happy face
Pedal Triangle
Udforsk emner
Eksponentielle funktioner
Ubestemte Integral
Lineære funktioner
Kube
Vectorer 2D (Todimensionel)