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

A prism is a 3D shape which has a constant cross section. This means that both ends of the solid are the same shape. If you cut anywhere along the length of the prism parallel to these ends the shape ...