See also, Van der Waerden, 1961, Plate 5 Gillings, R. J. (1964), "The volume of a truncated pyramid in ancient Egyptian papyri", The Mathematics Teacher, 57 (8): 552–555, JSTOR 27957144, While it has been generally accepted that the Egyptians were well acquainted with the formula for the volume of the complete square pyramid, it has not been easy to establish how they were able to deduce the formula for the truncated pyramid, with the mathematics at their disposal, in its most elegant and far from obvious form.
Se også, Van der Waerden, 1961, Plate 5 Gillings, R. J. (1964), "The volume of a truncated pyramid in ancient Egyptian papyri", The Mathematics Teacher, 57 (8): 552–555, JSTOR 27957144, While it has been generally accepted that the Egyptians were well acquainted with the formula for the volume of the complete square pyramid, it has not been easy to establish how they were able to deduce the formula for the truncated pyramid, with the mathematics at their disposal, in its most elegant and far from obvious form .