A small equilateral triangle -red- [Un petit triangle équilatéral -rouge au centre- ]

A small equilateral triangle -red- [Un petit triangle équilatéral -rouge au centre-].




See some related bidimensionnal visualizations (possibly including this one), the blue spheres (if any) displaying the intersection points of the blue lines with the red sides:

A small equilateral triangle -red- The simple reflection -green- of a small equilateral triangle -center red- The double reflection -green- of a small equilateral triangle -center red-  
The 'green' reflection of a red triangle obtained by a 'blue' symmetry of each red vertex about the opposite red side The double reflection -green- of a small arbitrary triangle -center red-

The Generalization of the reflection of a triangle


See some related tridimensionnal visualizations (possibly including this one), the blue spheres (if any) displaying the intersection points of the blue lines with the red faces:

A small regular tetrahedron -red- The simple reflection -green- of a small regular tetrahedron -center red- The double reflection -green- of a small regular tetrahedron -center red-  
The 'green' reflection of a red tetrahedron obtained by a 'blue' symmetry of each red vertex about the opposite red face The double reflection -green- of a small arbitrary tetrahedron -center red-


(CMAP28 WWW site: this page was created on 10/05/2016 and last updated on 06/04/2026 23:36:32 -CEST-)



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