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- It is constructed from approximately 2.5 million dressed blocks, mostly of yellow limestone, with Aswan granite (quarried 500 miles to the South), used for certain internal features
- The total mass is estimated at 90 million cubic feet, weighing 6-7 million tons
- Its original height was 481 feet, but its top few courses and capstone no longer exist, so it now reaches just over 450 feet. Its base covers an incredible
area of 13 acres, and its perimeter is just short of 1 kilometre long
- Its four sides average 756 feet in length, with the difference between the longest and shortest sides being 8 inches, an error amounting to 0.09%
- This height to base ratio turns up another surprise. The mathematical constant P (Pi), supposedly discovered by the ancient Greeks over a thousand years later, is incorporated into the design.. ie. great pyramid height/base ratio = any circle's circumference/radius ratio, (756 x 2) / 481 = 3.14!
- The four sides of the Great Pyramid are also aligned to the four cardinal points with incredible precision. In fact, the average error in these alignments is
just 3 arc minutes, equivalent to an error of only 0.015%
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