Given: Dimensions of a cuboid: 5 cm × 6 cm × 7 cm
Length = l = 5cm, Breadth = b = 6 cm and Height = h = 7 cm
Total surface area of a cuboid = 2(lb + bh + hl)
= 2[5(6) + 6(7) + 7(5)]
= 2(30+42+35)
= 2 × 80
= 160 cm2