The Mandorla
The following interactive diagram shows the mathematics of the Mandorla. Please use the following versions of the angle (arcos(1/(2/π+π/8))):
a) 13.707948025554904909048978433971 (calculator Pi)
b) 13.621994707866327526609244458024 (rootwo Pi)
c) 13.6545847459755050130633973343 (golden Pi)
