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If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only one answer for t…

If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only one answer for t…
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If every positive number has two square roots and you can find the length of the side of a square window by finding a square root of the area, why is there only one answer for the length of a side?

User Wirsing
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One root is positive and the other is negative. There is no negative length :)
User Garlapak
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