The total area of all the faces of the cuboid, because it is three dimensional it has six faces instead of just one like a normal rectangle has.
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Surface area of a cuboid with sides x, y and z is 2(xy+yz+zx) So surface = 2*(1.45*1.45 + 1.45*5 + 5*1.45) = 2*16.6025 = 33.205
Surface area of cuboid = 2*[L*B + B*H + H*L] where L = length, B = breadth, and H = height
The total surface area of a cuboid with edges of length a, b and c units is 2*(ab + bc + ca) square units.
184