For this you will need four pennies. Arrange the pennies so that the centers of all four are equidistant from each other.

Example:

(1) (2) (3) (4)

This will not work because penny 1 and penny 4 are farther apart than penny 1 and penny 2.

(In reply to re: Pennies of Giza by Phil_Osopher)

phil i dont understand what you mean.
what is the problem with a triangle based pyramid.
i think that is how most of the egyption pyramids are.


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Posted by Vishal Gupta on 2006-05-02 16:13:05