Answer:
Option (B) is correct.
To prove
As given the epression in the question is given by

Now simplify the above
Terms are written as


Put in the above expression.




Multiply both sides by 2 and then add them together to get the perimeter (2L + 2W).
To get the area multiply the two sides by eachother (L x W) Brainly please so others can see if possible.