PHI IN PYRAMIDES

Phi , the Golden Section, has been used by mankind for centuries in architecture
Its use started as early as with the Egyptians in the design of the pyramids. When the basic phi relationships are used to create a right triangle, it forms the dimensions of the great pyramids of Egypt, with the geometry shown below creating an angle of 51.83 degrees, the cosine of which is phi, or 0.618.

MARÍA CARRACEDO Y PILAR SUÁREZ 3ºB