Answers

2016-04-07T17:44:02+08:00
Since only the area is given we can assume it is a square
       area =   l ²                /  l = length of one side of a square
        thus 18.50  =  l ²
         l   =   √18.50    ≈   4.3 m
          perimeter of  room =   4.3 * 4  ≈   17.2m
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