Many objects such as packing containers, buildings and components of machines have geometric representations that use two- and three-dimensional shapes. This leads to many practical scenarios that ...

\(\text{volume of a pyramid} = \frac{1}{3} \times \text{area of base} \times \text{perpendicular height}\) The area of the base is \(5 \times 5 = 25~cm^2\). The area of each triangular face is \((5 ...

Complete this interactive activity to find out more about 3D shapes and then put your knowledge to the test. Cubes have 6 flat faces which are all the same size. Everyday things that have the shape of ...