Cześć!
Obliczenia
[tex]A=(-4,3)\longrightarrow x_A=-4, \ y_A=3\\\\B=(-2,-4)\longrightarrow x_B=-2, \ y_B=-4\\\\|AB|=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}\\\\|AB|=\sqrt{(-2-(-4))^2+(-4-3)^2}\\\\|AB|=\sqrt{(-2+4)^2+(-7)^2}\\\\|AB|=\sqrt{2^2+49}=\sqrt{4+49}\\\\\huge\boxed{|AB|=\sqrt{53}}[/tex]
