Respuesta :

f4ke

Answer:

4.3

Step-by-step explanation:

[tex]D=\sqrt{(x-x)^2+(y-y)^2}[/tex]

[tex]D=\sqrt{(0.8+3.5)^2+(-5.1+5.1)^2}[/tex]

-5.1+5.1 cancels out.

[tex]D=\sqrt{4.3^2} = \sqrt{18.49} = 4.3[/tex]