Question 1043329: A person travels 7km due north, then goes 3km due west and then 3km due south.
How far is the person from the starting point?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Start at (0,0)
A person travels 7km due north to (0,7)
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then goes 3km due west to (-3,7)
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then 3km due south to (-3,4).
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How far is the person from the starting point?
distance = sqrt[3^2 + 4^2] = sqrt[25] = 5 km
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Cheers,
Stan H.
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