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26-02-2016
Mathematics

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if a square has area of 81 square units how long is each side?

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26-02-2016

if a square has area of 81 square units, each side is 20.25 because if you do 81÷4 you get 20.25 or if you add 20.25+20.25+20.25+20.25 you get 81.

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