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Definition:
The straight line distance between two points.
In a plane with p1 at (x1, y1) and p2 at (x2, y2), it is
sqrt[ ((x1 - x2)² + (y1 - y2)²) ].
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Definition:
The straight line distance between two points.
In a plane with p1 at (x1, y1) and p2 at (x2, y2), it is
sqrt[ ((x1 - x2)² + (y1 - y2)²) ].
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