The mystery of a pyramid structure that was found under the sea off the coast of the Azores Islands in 2013 is still puzzling ...

The base of the pyramid can be any polygon. A glass sculpture in the shape of a square based pyramid is to be made. The apex will be directly above the centre of the base. Calculate the surface ...

"In other words, the Great Pyramid is a concave octagonal pyramid, rather than the standard square pyramid," he added. This ...

Please make him stop. Right, what about triangles? Triangles become pyramids. You're now a square based pyramid with 4 triangular faces and a square face for your bottom. You can get pyramids with ...