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# Python core 55.2 tuples exercise

Could someone explain the maths to me in the above exercise. I had to look up the solution and although the code makes sense I'm not grasping the equation.

1 Answer

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It's nothing but geometry: We calculate the Euclidean distance between 2 coordinates using the Pythagoras theorem.
https://www.cliffsnotes.com/study-guides/geometry/coordinate-geometry/distance-formula