When the cross-section is a hexagon, the prism is called a hexagonal prism. Image caption, The faces of a prism are the congruent polygon ‘ends’, plus the rectangles that join them.

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 faces that join them. To calculate the total surface area ...

The hypothesis used in developing the stress and strain in the shaft is that all points on a cross-section of the shaft experience the same angle of twist. The angle of twist for a section of length L ...