To get the perimeter of any object you have to add up the measurements of all sides. A rectangle has 4 sides, which are paired. Since you know one of the side lengths and the perimeter you can use the equation P= 2L + 2W. 58 = 36.6 + 2W. 2W = 21.4. W = 10.7.
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Its length is 18 inches
20
If "50 inches" is the perimeter all you can say is that length plus width = 25 inches.
28 inches
I think its 18