Geometry

The correct answer is B. ∠NMJ.

 

1. Analyze the rules for naming an angle:

When naming an angle using three - letter notation, the vertex letter is placed in the middle.

For the angle ∠q, the vertex is . The two rays that form the angle start from  and pass through  and .

 

2. Evaluate each option:

A: In the standard angle - naming system, we don't include the angle label () within the three - letter name. So this option is incorrect.

 

B: Here, the vertex is , and

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