The pedestrian walked 10 kilometers north, then 10 kilometers west. Find a path and move.

Let it be equal to the sum of the distances covered: 10 km + 10 km = 20 km.
To find the displacement, imagine the path as a triangle with 10 km legs and connect the start and end points. The displacement will be equal to the hypotenuse of this triangle.
Displacement = √ (10 ^ 2 + 10 ^ 2)
Travel = √200km



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