regular triangle? based on Hilbert's

This is the 6th (and a kind of appendix) of a series of Non-Desargue plane base on Hilbert's Grundlagen der Geometrie. On this plane, the congruent axiom of Euclid(although he didn't realize that he assumed that) does not hold anymore.

 

mixedmoss

 
Material Type
Activity
Tags
non-desargue  plane.  hilbert  grundlagen  der  geometrie 
Target Group (Age)
19+
Language
English (United Kingdom)
 
 
GeoGebra version
4.4
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