Explore how to recognise 3D shapes and their properties to understand the differences between them. Recognise 2D and 3D shapes Practise recognising 2D and 3D shapes. Sort 2D and 3D shapes Learn ...

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 ...

The researchers matched the 3D shapes to the structures of proteins whose functions are already known. Because the structure ...