Respuesta :

Answer: (B) 4√2

Step-by-step explanation:

45-45-90 is a special triangle because the side lengths are congruent and the hypotenuse is √2 times the side lengths.

So, m√2 = 8

           [tex]m=\dfrac{8}{\sqrt2}[/tex]

           [tex]m=\dfrac{8}{\sqrt2}(\dfrac{\sqrt2}{\sqrt2})[/tex]

           [tex]m=\dfrac{8\sqrt2}{2}[/tex]

           [tex]m=4\sqrt2[/tex]