giza1

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Mathematical Creations

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$36.38

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Starting at $ 37.00

Silver
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Gold Plated Brass
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Product Description

This is a hollow square pyramid with the dimensions of the pyramid at Giza: if the base coordinates are at (1,1),(1,-1), (-1,1), (1,1), then the slant height (along the face from the center of the base to the top) is the golden ratio, phi, 1.618...; and the height is Sqrt[phi^2-1]=Sqrt[phi]. The base of this pyramid has an edge of 21.83 mm, and the faces are 1 mm thick.