Mathematical Secrets of the Magic Pentagon
Channel: MJ the Fellow Actuary
Date: 2015-08-24

From Edward Falkener’s Games Ancient and Oriental and How to Play Them (1892), a magic pentagon. “It will be observed that the five sides of each pentagon are all equal, and that the five diameters, from one angle to the centre of the opposite side, are each 459, which is nine times the central number 51, which is also the mean number, the series being 1-101. Evidently this was devised by Mikhail Frolov for Les carrés magiques (1886).

In this video I show you some steps to make the pentagon more magical