<PRE><B>Question 848085</B>
A person travels 8 miles due north, 3 miles due west and 7 miles due south. How far are they from where they started?
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start: 0/0
1st step to 0/8
2nd step to -3/8
3rd step to -4/8
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Distance = sqrt[4^2+8^2] = sqrt(80) = 4sqrt(5) miles

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Cheers,
Stan H.
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