Prisms and pyramids are two different types of three-dimensional geometric solids. The most obvious similarity is that both begin with the letter P. More »

A hexagonal prism has eight faces, six of which are rectangles, and two of which are hexagons. A hexagonal prism consists of a top and bottom hexagon that are both joined by straight lines connecting each set of vertices... More »

The Flatiron Building in New York City is an example of a triangular prism in real-life. This building is a well-known landmark that defines the skyline of Manhattan and was originally built as the headquarters of the Fu... More »

Some three-dimensional figures are spheres, cones, cylinders, pyramids and prisms. Other three-dimensional figures are octahedra, dodecahedra and icosahedra. Cubes and tetrahedra are some common variants of these major f... More »

Examples of irregular solids include rocks, prisms, beans and screws. Each of these objects feature an irregular shape that is not composed of other recognized shapes. More »

The Great Pyramids of Egypt are square pyramids. Their base is in the shape of a square, and the apex is centered on top. More »

There are five platonic solids. A platonic solid is a 3-D shape where each face is the same regular polygon, and the same number of polygons meet at each corner, or vertex, according to Math is Fun. More »