http://thesaurus.abuledu.org/thesaurus/vocab/http://thesaurus.abuledu.org/thesaurus/vocab/?tema=253Quadrilatères http://thesaurus.abuledu.org/thesaurus/vocab/?tema=253 Figures géométriques BT http://thesaurus.abuledu.org/thesaurus/vocab/?tema=253 Trapèzes NT http://thesaurus.abuledu.org/thesaurus/vocab/?tema=253 Parallélogrammes NT http://thesaurus.abuledu.org/thesaurus/vocab/?tema=253 Losanges NT http://thesaurus.abuledu.org/thesaurus/vocab/?tema=253 Rectangles NT http://thesaurus.abuledu.org/thesaurus/vocab/?tema=253 Carrés NT