Slide 1

By Lara Spronken. Pyramids and prisms. Slide 2 IRREGULAR AND REGULAR PRISMS. Irregular prisms. This is an irregular prism. It is an irregular prism because it was formed from an irregular shape. Regular prisms. this is a regular prism. It is a cube. It is a regular prism because it is formed from a regular shape. Slide 3 Pyramids. Pyramids have triangular side faces that meet at an apex/corner. Square base pyramids have 5 faces, 8 edges and 5 vertices. normal pentagonal pyramid Pentagonal pyramid net Slide 4 Prisms. A cylinder is not a prism because its sides are curved. Prisms are regular 2D shapes just lifted up of the paper to make a 3D shape or a prism. Slide 5