IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Models 1979.0102.205, MA.304723.715, ...

Students at New Vision Charter School have completed work on a 12-foot-tall Sierpinski Tetrahedron, encompassing 4,096 individual triangular pyramids and made entirely out of card stock and glue ...

A pyramid is made up of a polygonal base face and triangular faces that meet at a point called the apex. A pyramid is named by the shape of its ‘base’.

B. Cvetkov, 3043. Volume of a Triangular Pyramid, The Mathematical Gazette, Vol. 46, No. 358 (Dec., 1962), pp. 320-323 ...