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Pantograph
Author:
Steve Pelikan
Topic:
Parallelogram
Here's a model of a mechanical linkage. How does F move when you move A? Can you prove this?
GeoGebra
New Resources
Variation Theory Parallelogram Proofs
Tutorial: Create lists of numbers and objects
Poorly Drawn Parallelograms
Icosahedron
Blancmange curve (fractal)
Discover Resources
fgvcbjmlñ.ñç´ñ`ñ+`ñ`+ñ+
Trajektorie
plástica
FinalAngleBisector
Two Prize (Linear and Exponential)
Discover Topics
Real Numbers
Orthocenter
Centroid or Barycenter
Diagrams
Incircle or Inscribed Circle