Answer:
7.2
Step-by-step explanation:
The formula of a distance between two points:
[tex]\boxed{d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}[/tex]
We have the points (11, 3) and (7, 9). Substitute:
[tex]d=\sqrt{(7-11)^2+(9-3)^2}=\sqrt{(-4)^2+6^2}=\sqrt{16+36}=\sqrt{52}\\\\\sqrt{52}\approx7.2[/tex]
