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.

We've learned that the volume of a cuboid is its length multiplied by its width multiplied by its height (\(l \times w \times h\)). The area of the green shaded end of the cuboid (the cross section) ...