Answer: B. [tex]8\sqrt{2}[/tex]
Step-by-step explanation:
In a 45-45-90 triangle, the hypotenuse of a triangle is [tex]\sqrt{2}[/tex] times the leg. If the hypotenuse is 16, and x is the leg, then x is [tex]\frac{16}{\sqrt{2}}[/tex], or [tex]8\sqrt{2}[/tex].
