surface are of cuboid 1cm 2cm 3cm
Surface area of Cuboid = 2(lb + bh + hl)S.A. = 2(12 + 23 + 3*1)S.A. = 2(2 + 6 + 3)S.A. = 2(11)S.A. = 22 cm²In short, Your Answer would be 22 cm²Hope this helps!