How to calculate the surface area of a prism A prism ... can be named by the shape of its polygon ... cross-section ... . When the cross-section is a triangle, the prism is called a triangular prism.

Triangular prisms occur in packaging, containers, building design, house roofs, A-frame tents, and furniture. The key dimensions of a triangular prism are its width, w, height, h, length, l. The ...