The base can be any shape: if it is a polygon the shape is called a pyramid. The cones you will see in exams will be circular based. The formulas for the volume and surface area of a cone will be ...

Save guides, add subjects and pick up where you left off with your BBC account. The surface area of a pyramid can be calculated by adding the area of the base to the sum of the areas of the ...

A groundbreaking discovery has emerged from the sands of Egypt, where a labyrinth—hidden beneath a pyramid—could dramatically ...