giza pyramid largest

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Mathematical Creations

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Product Description

This is a wireframe model of a 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 68 mm, and the edges are 1 mm in diameter.