Respuesta :

Answer:

72ft

Step-by-step explanation:

(18[tex]\sqrt{2\\}[/tex]) ^2 = 648

648/2=324

Root 324=18

18*4=72

sqdancefan

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Answer:

  72 feet

Step-by-step explanation:

The diagonal of a square is √2 times the side length, so you have ...

  diagonal = s·√2 = 18√2

Dividing by √2 gives ...

  s = 18

The perimeter of a square is 4 times the side length, so is ...

  P = 4s = 4(18) = 72

The perimeter is 72 feet.

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