### NESTED CIRCLES SQUARES TERIANGLES- MAXIMUM SYMMETRY POINT FOR VALUE OF Pi = 4/SQRT[GOLDEN RATIO] = 3.14460551.. Quadrature of the circle by compass and ruler is achieved based on the special quality of this triangle [ a quadrature triangle] and its relationship with circle, and the square: Autocad used: Geometry and Vector definition by Panagiotis Stefanides assisted for the Computerized AutoCad Drawing by Dr. Giannis Kandylas.