Answer:
The expression required to find perimeter of square is: 4n-16
Explanation:
Length of side of square = n-1.5
We need to find Perimeter of Square
The formula used is:

Putting values and finding perimeter

So, the perimeter of square is: 4n-16
Since the options are not given, I cannot choose the best answer.
But the expression required to find perimeter of square is: 4n-16