please help, I don't know how to solve this

Mathematics
Tutor: None Selected Time limit: 1 Day

May 11th, 2015

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May 11th, 2015

Sooo I'd just take the 12 or whatever number is there, divide in half, then square that and the other and take the sqrt of the answers sum to get the answer


May 11th, 2015

yes, exactly........................

May 12th, 2015

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May 11th, 2015
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May 11th, 2015
Dec 10th, 2016
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