what is the exact volume as x? (attached image)

Answer:
x = 25
Step-by-step explanation:
The 45-45-90 triangle is a special isoceles right triangle. If you look at the help image attached, you will see that it has the following rules:
Find x
c = x√2
25√2 = x√2
25√2 ÷ √2 = x
x = 25
I hope this helps!