W hen most people think of shapes, they imagine a triangle, a rectangle, or maybe even a fancier- sounding rhombus or trapezoid. But to mathematicians, shapes encompass a vast universe of surprising ...

Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces. Edges - An edge is where two faces meet. For example a cube has 12 edges. Vertices - A vertex is a corner where ...

More specifically, mathematical nets. A net in maths is a flat 2D shape that can be cut out and folded to form the 3D shape. Put another way, a net is a plane figure composed of polygons ...