Euclid I.7

Auteur :Courtney Roby

If you construct two straight lines on a straight line that meet in a point, you cannot construct (on the same side of the line) two different straight lines equal to the first two that meet in a point.

Nouvelles ressources

Proving Triangles Congruent (2): One Step Transformations
Constructing the Copy of an Angle + Angles Activities
apec
Snake year !
Constructing an Inscribed Equilateral Triangle + Activities

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CP GEO #4
Qualitative Graph - Gachelin :)
GeoGebra's sense is odd.
Es. n. 97 pag. 321 del libro di testo

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Rectangle
Cône
Sections Coniques
Moyennes
Constructions