Answer:
The answer is C.
Step-by-step explanation:
This triangle is a 45-45-90 triangle. The hypotenuse is a[tex]\sqrt{2}[/tex] while the other sides are a. In this case, the hypotenuse is 3[tex]\sqrt{2}[/tex] and the other two sides are 3 units long. This means that the answer is C.
