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A PERFECT Nonagon with Compass and Straight Edge?

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Xuất bản 09/08/2016
It is said that the Nonagon (a.k.a Enneagon / 9 Sided Polygon) can't be drawn with compass and straight edge. Is it really? However by using this method it seems that the impossible is possible. By TRISECTING the 120 degree angle you each the 40 degree division required to build a Nonagon!
geometry mathematics Euclid Pythagoras art of measure hexagon mystery schools sacred science ancient science Nonagon hexagram flower of life compass and straight edge construction sacred geometry Albrecht Durer Enneagon 9 sided polygon