Inkinga yama-47 ka-Euclid

Yilapho izinto zithola khona i-geometric encane, ngakho-ke sibekezelele. Inkinga ka-Euclid yesi-47 - eyaziwa nangokuthi i-theorem ye-Pythagorean - ifanekisela isidingo "sokwenza isikwele ngesikwele." Ekusebenzeni kwansuku zonke, lokhu kusho ukugcina impilo yakho ihlelekile, futhi ekwakheni ingqalasizinda, lena yindlela ama-Freemasons ayilandela lapho ubeka isisekelo.