Question 1187554
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    W     + L = 72/2 = 36


    (L-2) + L = 36


     2L - 2 = 36

     2L     = 36 + 2 = 38

      L              = 38/2 = 19.

      W              = 19 - 2 = 17.


<U>ANSWER</U>.  The dimensions of the rectangle are  17 m and 19 m.
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Solved.