Hi C Wayne,
>
> Part of the irregular look is due to the terrain
> and the way these three pyramids were built. The
> terrain slopes south and east. The pyramids are
> not built on a platform; the sides extend down to
> ground level. Thus, the direction of each base
> side is determined by the slope.
>
> Another factor contribuiting to the irregularity
> is, if my solution is correct, that the positions
> and sizes are determine by arc distances, which do
> not necessarily conform to grid points.
I think you're perhaps trying to find a mathematical/geometrical explanation when in fact there's a perfectly good practical one.
It might be appropriate to look at the subsidiary pyramids by Menkaure's pyramid, and see if your circles work there.
Hermione
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