Some 3D shapes, like cubes and pyramids, can be opened or unfolded along their edges to create a flat shape. The unfolded shape is called the net of the solid. Here are some 3D shapes and their nets.

Mathematicians have identified a new class of shapes that "tile space without using sharp corners." From bathroom floors to siding on buildings, it's common to cover areas without gaps by arranging ...

Here are some common solid shapes. Prisms A prism is a 3D shape which has a constant cross section - both ends of the solid are the same shape and anywhere you cut parallel to these ends will give ...