A pyramid with a triangular base is a triangle-based pyramid. A tetrahedron is a triangular pyramid with all equilateral triangle faces. A pyramid with a square base is a square-based pyramid.

The key dimensions of a square-based pyramid are the length of its base, l, its height, h, and the height of its triangular faces, called its slant height, s. The diagrams below show a right ...

The Great Pyramid of Giza is the last remaining Wonder of the Ancient World and mystery still surrounds it to this day. The square-based pyramid, a shape which usually has four sides, is the most ...

Father and daughter archaeologists Miles and Nora Holden (Denis O’Hare and Ashley Hinshaw) discover and excavate a unique triangular-based pyramid in the Egyptian desert that predates the ...