The surface area of a cuboid of length l, breadth b and height h is

lbh lb + bh + hl 2 (lb + bh + hl) 2(l + b)h.

2 (lb + bh + hl)

Formulae for surface area of cuboid: 2(length x breadth + breadth x height + height x length) So, according to the question: Surface area = 2(lb + bh + hl)