question_answer

The outer length, breadth and height of a box open at the top are 10 dm, 8 dm and 5 dm respectively. If the thickness of the wood is 1 dm, then the total surface area of the box is

A) \[\text{42}0\text{ d}{{\text{m}}^{\text{2}}}\]              

B)         \[\text{452 d}{{\text{m}}^{\text{2}}}\]

C) \[\text{451 d}{{\text{m}}^{\text{2}}}\]            

D)         \[\text{483 d}{{\text{m}}^{\text{2}}}\]