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 | | The estimated date of its completion is 2570 BC and it is the earliest and largest of the three great pyramids in the Giza necropolis on the outskirts of modern Cairo, Egypt. |
 | | The pyramid was constructed of limestone, basalt, and granite stones from two to four tonnes in weight each, adding up to a total estimated weight of some 7 million tonnes, and a volume of 2,600,600 cubic metress. |
 | | The great pyramid is peculiar in this respect, as it is one of the few pyramids to have the necessary slope to express such a ratio, but variations in the accuracy of measurement, combined with the deterioriating condition of the structure, make such a claim difficult to verify. |
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