Question 626699
d = sqrt((x2-x1)^2+(y2-y1)^2)



d = sqrt((3-5)^2+(5-(-1))^2)



d = sqrt((3-5)^2+(5+1)^2)



d = sqrt((-2)^2+(6)^2)



d = sqrt(4+36)



d = sqrt(40)



d = 2*sqrt(10)



So exact distance between the two points is  2*sqrt(10)  units.

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