Find the value of x.

Answer: it is an acute and it looks smaller than 13 I'm sorry I don't know the exact number but this is right.
Answer:
13 degrees.
Step-by-step explanation:
Due to the vertical angles theorem, it states that if two angles share a vertex then they are congruent. In this case, they are since they share a vertex so, the value of x is 13 degrees.