Support SSIR’s coverage of cross-sector solutions to global challenges. 1 Fernando Casado Cañeque and Stuart L. Hart, eds., Base of the Pyramid 3.0: Sustainable Development Through Innovation and ...

The Western Cemetery holds hundreds of rectangular tombs called mastabas that line the base of Giza's Great Pyramid. These ...

The surface area of a pyramid can be calculated by adding the area of the base to the sum of the areas of the triangular faces. If the base of the pyramid is a regular polygon, each of the ...

A pyramid is a 3D shape with a flat base, and triangular edges that meet at a point. The base of the pyramid can be any polygon. A glass sculpture in the shape of a square based pyramid is to be made.