Answer:
72ft
Explanation:
Area of one square = 54ft^2/6 = 9ft^2
The side of the square is the square root of the area, so the side length of one square is
√9ft^2 = 3ft.
each square has a perimeter of
4*3ft = 12ft.
So the perimeter of all six squares is
12ft * 6 = 72ft