Learn about the surface area and volume of prisms with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Pyramids and cones - Higher tier only A pyramid is a 3D shape with a flat base, and triangular edges that meet at a point. The base of the pyramid can be any polygon.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This wooden model shows a triangular ...