fabmanesc fabmanesc

15-06-2018
Mathematics

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Between what two consecutive integers does square root 285 lie?

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sqdancefan sqdancefan

20-06-2018

16² = 256
17² = 289

√285 lies between √256 and √289, so lies between 16 and 17.

_____
It can be helpful to memorize the squares of integers up to 20 or 25.

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