A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...

A net of a 3D shape (a cube). Surface area is measured in square units including cm² and m². A cube has six congruent square faces. The total area of the faces is the surface area of the cube. To work ...