Math 181.S96, Brunés' construction #2
Cheop's pyramid plan and the symbol "U"
The symbol "U" is derived in one step from the symbol "Q"
and features the square on the circle's rectangle.
Given the fitting of the pyramid's section into
the symbol "Q",
the plan of Cheop's pyramid must fit this square, and it does.
Ralph H. Abraham, 24 April 1996.