diff --git a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/03.geometries-space-time/euclidian-space-plane-trigonometry-quadrangle-sum-angle-360deg.png b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/03.geometries-space-time/euclidian-space-plane-trigonometry-quadrangle-sum-angle-360deg.png
new file mode 100644
index 000000000..4f494a615
Binary files /dev/null and b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/03.geometries-space-time/euclidian-space-plane-trigonometry-quadrangle-sum-angle-360deg.png differ