Odpowiedź :
R = (-6, 2)
Z = (0, -1)
[tex]|RZ| = \sqrt{(0-(-6))^2+(-1-2)^2}\\|RZ|=\sqrt{(-6)^2+(-3)^2}\\|RZ| = \sqrt{36+9}\\|RZ|=\sqrt{45}=\sqrt{9*5}=3\sqrt{5}[/tex]
R = (-6, 2)
Z = (0, -1)
[tex]|RZ| = \sqrt{(0-(-6))^2+(-1-2)^2}\\|RZ|=\sqrt{(-6)^2+(-3)^2}\\|RZ| = \sqrt{36+9}\\|RZ|=\sqrt{45}=\sqrt{9*5}=3\sqrt{5}[/tex]