SOLUTION: a man travels 4 miles north, 12 miles east, and then 12 miles north. how far(to the nearest mile) is he from the starting point?

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Question 479008: a man travels 4 miles north, 12 miles east, and then 12 miles north. how far(to the nearest mile) is he from the starting point?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
In the North direction he has walked 4+12 = 16 miles
He has walked 12 miles in the eastern direction
From starting point to finishing point the distance is the hypotenuse
16 & 12 are the legs of a right triangle
d^2=16^2+12^2
d^2=256+144
d^2=400
d= 20 miles
He is 20 miles away from the start