bion's method of constructing a heptagon

Recorded with

In this video, I use a method called Bion's method to construct an approximate heptagon. I also show the paper that explore nonagon construction in depth, which is how I noticed the name of the method is Bion's method.

Relevant links
Robin Hu's page on The Heptagon


Dividing the Circle paper at Researchgate

mathematics,geometry,geogebra,compass and straightedge,heptagon,bion's method,