Lionel GERVAIS – Resources – GeoGebra

Desargues theorem
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Lionel GERVAIS
Desargues polar
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Lionel GERVAIS
Universal Hyperbolic Geometry
Book
Lionel GERVAIS
Universal Hyperbolic Geometry : altitude point
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Lionel GERVAIS
Universal Hyperbolic Geometry - Perpendicularity - 2D and 3D views
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Lionel GERVAIS
Beltrami-Klein Disk Model
Book
Lionel GERVAIS
Beltrami disk model and Euclid's Fifth Postulate
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Lionel GERVAIS
Universal Hyperbolic Geometry - Perpendicularity
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Lionel GERVAIS
Universal Hyperbolic Geometry : Polarity
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Lionel GERVAIS
Conjugate points with respect to a circle
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Lionel GERVAIS
Red Geometry - Euler line and nine-point circle
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Lionel GERVAIS
Green Geometry : Euler Line and Nine-point circle
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Lionel GERVAIS
Chromogeometry : Omega Triangle
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Lionel GERVAIS
Chromogeometry : Euler lines and Nine-point circles
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Lionel GERVAIS
Poincaré and Beltrami–Klein disk models
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Lionel GERVAIS
Chromogeometry
Book
Lionel GERVAIS