A square-based pyramid has five vertices. The number of edges of a pyramid is twice the number of edges of the base. A triangle-based pyramid has six edges, 3 × 2 = 6.

September 1989: Denver real estate investor Pat Broe, through Polaris Capital Corp., purchases 7.7 percent interest in Denver-based homebuilding Writer Corp. and negotiates to purchase Writer Square.

This square-based pyramid, like most pyramids, has been thought to have just four triangular faces. However, in a surprising turn, recent studies have shown that the one of the Seven Wonders of ...

Pyramid Management Group, one of the largest privately-held shopping center developers in the Northeast, has successfully secured a three-year extension for the loan on Sangertown Square in New ...

The square-based pyramid, a shape which usually has four sides, is the most famous one at the Giza pyramid site. However researchers actually claim there are eight sides to it, making it an ...