Respuesta :

Perimeter of the rectangle = 2(3x+6) + 2(x-1)
                                          = 6x + 12 + 2x - 2
                                          = 8x + 10

Perimeter of the square = 4(x+6) = 4x + 24

The 
perimeters are yhe same, so:

8x + 10 = 4x + 24
8x - 4x = 24 - 10
4x = 14
x = 3.5

Now calculate the perimeter of any plot:

Perimeter of the square = 4x + 24 = 4*3.5 + 24 = 14 + 24 = 38 ft

Answer is 38 ft.
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