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How is distance measured when there is no straight line?

Asked by flo (13313points) July 24th, 2015

The answer to the question “How many miles/km is it from whatever landmark to another one, from home to work, etc. is always a definite number. But there is never straight line between the 2 points. No one says if you take this highway, it’s this many miles, and if you want to take the 2nd fast way, it is that many miles, etc. So how come there is always a definite (this many miles etc.) answer?

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