3000 B. C. The Pyramids (Egypt). 3 1/7(3.142857.....). The sides and heights of the pyramids of Cheops and of Sneferu at Gizeh are in the ratio 11:7, which makes the ratio of half the perimeter to the height 3 1/7. In 1853, H. C. Agnew, Esq., London, published a letter from Alexandria on evidence of this ratio found in the pyramids being connected or related to the problem of the quadrature of the circle.
KeywordsEurope Expense Refraction Pyramid Egypt
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