Our research may find application in the construction of Proportional Tetragonometers. Geometrical instruments that rely on the geometric construction of a right triangle whose small vertical side is the radius R of a circle and its long vertical side (α) of the corresponding (equivalent) square.
The ratio = 1,7724563640625 always remains constant and is a natural visual art measure of side (α) of all squares at any price R of the corresponding circle (Ο)

The method’s mechanism is a new proportional measuring unit independent of any scale. It may support applications for artistic or scientific measurements of proportional, space measurements and quantitative accuracy regardless of scale.

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