diff --git a/12.temporary_ins/06.geometry-coordinates/10.n1/40.parallel-1/cheatsheet.fr.md b/12.temporary_ins/06.geometry-coordinates/10.n1/40.parallel-1/cheatsheet.fr.md
index 0bef437ea..e388d03b6 100644
--- a/12.temporary_ins/06.geometry-coordinates/10.n1/40.parallel-1/cheatsheet.fr.md
+++ b/12.temporary_ins/06.geometry-coordinates/10.n1/40.parallel-1/cheatsheet.fr.md
@@ -21,5 +21,20 @@ lessons:
 
 ---------------------------------------------
 
+### Mais alors, que serait un espace non euclidien ?
+
+* 
+
+![](geometry-non-euclidian-parallels-sphere_L1200.jpg)
+
+
+![](geometry-non-euclidian-sum-angles-sphere_L1200.jpg)
+
+
+![](geometry-non-euclidian-pi-sphere_L1200.jpg)
+
+![](geometry-non-euclidian-pi-sphere-2_L1200.jpg)
+
+
+
 
-     
\ No newline at end of file