msvgo
Area of Polygons
It describes the method of finding the Area of Polygon by splitting it in triangle, square, rectangle, quadrilateral, trapezium and parallelogram with solved problems.
Zach Star
A visibility problem, how many guards are enough?
The video explains the proof of 'The Art Gallery Problem'. There are different versions of this problem (such as where guards can be placed) but we will focus on the most well known one where guards are forced to be in corners (and can...