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Pre-Algebra
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OpenStudy (anonymous):
A wire is first bent into the shape of a rectangle with width 3 cm and length 15 cm. Then the wire is unbent and reshaped into a square. What is the length of a side of the square?
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OpenStudy (anonymous):
9 cm. Because 3+3+15+15=36. Then you divide 36 by 4 because a square has 4 sides and you get 9. :) I hope that will help.
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