Respuesta :

gmany

The formula of a distance between two points:

[tex] A(x_A;\ y_A);\ B(x_B;\ y_B)\\\\AB=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2} [/tex]

[tex](1,\ 4);\ (-5,\ -4)\\\\d=\sqrt{(-5-1)^2+(-4-4)^2}=\sqrt{(-6)^2+(-8)^2}=\sqrt{36+64}=\sqrt{100}=10[/tex]

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