Question 31884
Hello!
I've already answered a very similar question, you can see how to work it <a href=http://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.27599.html> here</a>.

Using the procedure explained there, the correct answer in your case is that the rectangle should be 75 x 75 (a square)


I hope this helps!
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