The area of each of the two circles is \(\pi r^2\)and the area of the rectangle is \(2 \pi r \times h\). The surface area of a cylinder is the area of each of its faces added together.
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 ...