3D Shapes. Pyramids. A pyramid is a polyhedron for which the base is a polygon and all lateral faces are triangles. In this lesson, we'll only concern ourselves with pyramids whose lateral faces are congruent — that is, they're the same size and shape. read more
Pyramids can be built with toy building blocks, like Legos, or arranged delicately with a deck of cards. There are also pyramid-shaped paperweights for home offices as well as pyramid-shaped perfume bottles. read more
3D Shapes Pyramids A pyramid is a polyhedron for which the base is a polygon and all lateral faces are triangles. In this lesson, we'll only concern ourselves with pyramids whose lateral faces are congruent — that is, they're the same size and shape. read more