BBC1 个月
3d shapes
Learn about 3D shapes and their properties. Properties of 3D shapes Learn about faces, edges and vertices. What is volume? Find out how the volume of a 3D shape can be calculated by counting cubes.
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 you the same shape. For example ...