re: Who built the pyramids?

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5.- The Great Pyramid contains the diameter of the Earth and Moon
If the preceding has not left the reader astonished, what follows probably will. The squaring of the circle in the Great Pyramid of Giza as shown in Figure 3a is a diagram that allows the precise determination of the diameter of both the Earth and the Moon. You "only" need to draw an incribed circle inside the square (the Earth) and a small circle centered at the apex and tangent with the preceding one (the Moon). At each side on top of them there are two exact 3-4-5 Pythagorean triangles (Figure 4).

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