Sacred Geometry people are my math heretics— The mad with power inquisition version of me would want them burned at the stake. As it is? I just seethe at their “incorrect appreciation of geometry”
They worship wrong.
I bought a book of geometric constructions — (not reading about it too carefully...) Just cracked it open. It cheerfully gives instructions for constructing a triangle, square, pentagon, hexagon, and heptagon…
A footnote begrudgingly admits the heptagon is only 98.25% correct. 1/