Answer:
∠A
∠EAU
∠UAE
Explanation:
You can name an angle by their middle vertex letter which, in this case, is A.
You can also name an angle using the three letters provided: E, A, U.
However, the vertex letter should always be in the middle. So, it could be ∠EAU and ∠UAE.
Let me know if you don't understand or need more explanation.