In two-dimensional Cartesian coordinates, the distance between
two points is the square root of
(the difference in their y-values)^2 + (the difference in their x-values)^2 .
[ 9 - (-9) ]^2 = 18^2 = 324
Distance = square root of (324 + 324) = 25.456(rounded)
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It is 9.
The distance is 5. The x distance is 3, the y distance is 4, and the diagonal issqrt(32 + 42) = sqrt (9 + 16) = sqrt 25 = 5
The distance is about 7.62 (units).sqrt (9 + 49) = sqrt 58 = 7.61577
Use Pythagoras to find the distance between two points (x0,.y0) and (x1, y1): distance = √(change_in_x² + change_in_y²) → distance = √((x1 - x0)² + (y1 - y0)²) → distance = √((4 - 1)² + (-1 -2)²) → distance = √(3² + (-2)²) → distance = √(9 + 9) → distance = √18 = 3 √2