4 at the base and 1 at the top
oh that easy......in egypt
a rectangular pyamid
A pyamid has no known meaning in math or English. A pyramid, on the other hand, is a generic term used to describe a polyhedron with a polygonal base and a number of triangles rising from that base to meet at an apex. A pyramid whose base is a polygon with n-sides (or vertices) has n+1 faces, n+1 vertices and 2n edges, where n â‰¥ 3.
about 4600 years old
the Walsh's pyramid are in a pyramid shape