The pyramids are interesting from an engineering and human organization standpoint. You don't need elaborate maths to place stones on the ground in a square-li

The pyramids are interesting from an engineering and human organization standpoint. You don't need elaborate maths to place stones on the ground in a square-like shape; just a piece of cord as long as the radius, and something smaller and vaguely orthogonal enough to help check the cardinality of the points.