Question: what is the total surface area of a cuboid of dimensions 4cm 5cm and 6cm?
Answer: So in the example shown you have to work out the surface area of an 8cm by 4cm by 6cm cuboid. The area of the right and left faces of the prism are 6 x 4 = 24 cm^2. So the final answer for the surface area of this cuboid is 208 cm^2.