The area of the base is \(5 \times 5 = 25~\text{cm}^2\). The area of each triangular face is \((5 \times 6) \div 2 = 15~\text{cm}^2\). There are four identical triangular faces, so the total surface ...
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. A glass sculpture in the shape of a square based pyramid is to be made.