Respuesta :

mhanifa

Answer:

  • See below

Step-by-step explanation:

Use Pythagorean to find the missing side:

  • [tex]x = \sqrt{15^2-12^2} =\sqrt{81} =9[/tex]

Find perimeter:

  • P = 9 + 12 + 15 = 36 miles

Find area:

  • A = 1/2*9*12 = 54 sq. miles

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