Find x , if someone can help me with all my hw please lmk

Answer:
ok so if we look at this other one we can see that the other angle is 45
since we now all three angles we can find the other side
Side a = 4
Side x = 5.65685 = 4√2
Side c = 4
5.66
Hope This Helps!!!
Answer: 4√2
Step-by-step explanation:
In a triangle with angles 45 degrees, 45 degrees, and 90 degrees, the side opposite the 90 degree angle is a√2, and here a is 4, so the answer is 4√2.