Find the distance between each pair of points.

asked Mar 12, 2019 147k views

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by Krdx

7.1k points

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The formula of a distance between two points:

$A(x_A;\ y_A);\ B(x_B;\ y_B)\\\\AB=√((x_B-x_A)^2+(y_B-y_A)^2)$

$(7,\ 2);\ (8,\ -3)\\\\d=√((8-7)^2+(-3-2)^2)=√(1^2+(-5)^2)=√(1+25)=√(26)$

$(0,\ 5);\ (-7,\ 0)\\\\d=√((-7-0)^2+(0-5)^2)=√((-7)^2+(-5)^2)=√(49+25)=√(74)$

Zorak answered Mar 17, 2019

by Zorak

6.8k points

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