3-dimensional shapes - Edexcel 3-dimensional shapes have faces, edges and vertices. Volume is the space contained within a 3D shape. Surface area is the sum of the area of each face. 3D shapes can ...

Two-dimensional (2D) shapes are completely flat ... A triangle has 3 sides and 3 vertices. Now let’s look at a square. A square has 4 sides and 4 vertices. Finally let’s look at a pentagon.

All rectangular prisms consist of eight vertices that are connected by 12 edges ending at right angles. However, there are some differences between these types of three-dimensional shapes.