Final answer:
The question involves finding the value of x using properties of congruent triangles or trigonometry, but the information provided lacks context, making it difficult to provide a precise solution.
Step-by-step explanation:
The question presents a scenario where various triangles are congruent, and the student is required to find the value of x. Congruent triangles are essentially identical in shape and size, but may be mirrored or rotated. In such cases, corresponding angles and sides are equal. However, the information provided is segmented and appears to be parts of different problems, making it challenging to provide a definitive answer regarding the value of x. To solve such a problem, one typically needs to apply properties of congruent triangles, perhaps involving the Side-Angle-Side (SAS), Angle-Side-Angle (ASA), or Side-Side-Side (SSS) postulates for triangle congruency or use trigonometry to calculate the lengths and angles based on the given measurements.