... , he also proposed the idea of the bar (solidus) for fractions, and went on to develop rules for converting fraction factors into the sum of unit factors. At the end of the first part of the book, he presented tables for multiplication, prime numbers and factor numbers. In the second part ... Herodotus was told by Egyptian temple priests that the Great Pyramid was constructed in such a way that the area of each of its four faces is equal to the square of its height" (Brinkworth, Peter). If one takes a cross section of the Great Pyramid, the result is a right triangle, "the so-called Egyp...

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• Grade Level: High School