shelahlimage shelahlimage

21-05-2018
Mathematics

contestada

a hiker walks 12 miles north. then she walks 9 miles west. What is the shortest distance the hiker can travel to return tonher starting point

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wolf1728 wolf1728

21-05-2018

If we were to draw the distance walked, it would be the "legs" of a right triangle. So, to determine the return distance we calculate the hypotenuse which equals:
hypotenuse^2 = 12^2 + 9^2 = 225 return distance = 15 miles.

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