A metal wire, 40 cm long, is cut in two and each piece bent to form a square. If the sum of their areas is 58 cm^2, who long is each piece of wire?

A metal wire, 40 cm long, is cut in two and each piece bent to form a square. If the sum of their areas is 58 cm^2, who long is each piece of wire?

please help me answer this! for my exam! means alot

answer must be 2-30

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I have no idea how to get to the answer, please help! Thank you.

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Here is a link to the picture of the problem. http://imgur.com/0ZiyAzP

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