Respuesta :

Answer: 243 ft^2


Explanation:

width = x
length = 3x
P = length + length + width + width
72 = 3x + 3x + x + x
72 = 8x
x = 9

width = x = 9
length = 3(x) = 3(9) = 27

area = (length)(width)
area = (27)(9)
area = 243 ft^2