Question 1111550
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<pre>
The width of your rectangle is  {{{Area/Length}}} = {{{150/15}}} = 10 cm.


The perimeter of your rectangle is  15 + 10 + 15 + 10 = 50 cm.


The side length of the square is  {{{50/4}}} = 12.5 cm.


The area of the square is  {{{12.5^2}}} cm^2.
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Solved.