Question

the total surface area of cuboid is

Answer 1

2 (lb +bh+hl) is the total surface area of cuboid
in this l is tge length of cuboid
b is the breadth of cuboid
h is the height of cuboid
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Answer 2

Answer: 2(lb+bh+hl) where l = length, b= breadth and h= height.

Step-by-step explanation:

Area of each 6 faces:

Total area of top and bottom surfaces is lb + lb = 2lb

Total area of front and back surfaces is lh + lh = 2lh

Total area of the two side surfaces is bh + bh = 2bh

Surface area of cuboid = 2lb + 2lh + 2bh = 2(lb + lh + bh)