Question

what is the formula for area of the four wall? ​

Answer 1

Answer:

And the simple method that we use generally is by applying the formula of area of 4 walls of cuboid i.e. 2(l+b)×h.

Answer 2

the simple method that we use generally is by applying the formula of area of 4 walls of cuboid i.e. 2(l+b)×h.