Assess Interact Pre-Requisires Test & Enrich Basics Of Geometry Lines And Angles Triangles Basics Of Quadrilaterals https://www.youtube.com/watch?list=PLEuUy4TjqFeAOkz9COEMEDiOCqPLFgr-9&v=geTJBLDk-LU English Version Speed Notes Notes For Quick Recap Quadrilateral Any closed polygon with four sides, four angles and four vertices are called Quadrilateral. It could be regular or irregular. (Sroll down to continute …) Study Tools Audio, Visual…