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22-02-2016
Mathematics

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What is the square root of the number 441? How do you know this and how did you solve this?

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22-02-2016

the square root of 441 is 21. for this kind of question you should know 11^2 is 121 so now you should choose a bigger number for 441. it does not have any formula. :))
i hope this is helpful
have a nice day

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