When the cross-section is a hexagon, the prism is called a hexagonal prism. The surface area is made up of the end faces and rectangular ... 8 × 20 = 160. The volume of the prism is 160 cm³.
A prism is a solid shape that has the same cross-section all the way through. These three shapes are prisms. The first has a circular cross-section. The second has a rectangular cross-section.