the golden ratio lies exactly halfway between 1 and square root of (5)
(1+square root of (5))/2=golden ratio
golden ratio=1.6180339887498948482045868343656...
Because it is an unusual ratio and therefore should be given a different name to differentiate it from other common ratios. Gold is valuable and "Golden" is attributed to that which is attractive....
A great many things have the golden ratio in them varying from things fabricated by humans such as architecture, the proportions of the sides of a book also fall into the golden ratio. The golden...