use figure 2 to answer the question which angle is congruent to NSM

In order to answer your question accurately, I would need to see Figure 2

To answer the question, we need to refer to Figure 2. Unfortunately, as an AI text-based model, I don't have the capability to directly view or access figures or images. If you provide me with a description or more context about the figure and its angles, I may be able to assist you further.

To answer this question, we need to refer to Figure 2. Unfortunately, as an AI text-based model, I don't have the ability to see or directly access images or figures. However, I can help guide you through the process of finding the angle congruent to NSM based on the information you provide.

If you can describe Figure 2 or provide any specific measurements or relationships between angles in the figure, I'd be more than happy to assist you further.