Assess Interact Pre-Requisires Test & Enrich Pre – Requisite https://www.youtube.com/watch?list=PLEuUy4TjqFeAOkz9COEMEDiOCqPLFgr-9&v=EW5WzI7-nGA English Version Heron’s Formula | Speed Notes Notes For Quick Recap Perimeter Perimeter is defined as the outside boundary of any closed shape.  To calculate the perimeter of a given shape we need to add all the sides of the shape. Example: The perimeter of…