Question

area of cuboid without lid

Answer 1

Area of cuboid without lid =2(l+b)h+lb
Hope this will help you.
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Answer 2

Hi

Let l , b and h are length , breadth

and height of the cubiod ,

Area of the cuboid without lid

= Lateral surface area + base area

= 2( l + b ) h + lb

= ( 2lh + 2bh + lb ) square units

I hope this helps you.

: )