Geometry

The correct answer is B. ∠NML.

 

1. Recall the angle - naming rules:

When an angle can be named by a single letter, it means there is only one angle at that vertex. In three - letter angle naming, the vertex is the middle letter.

 

For the angle at vertex , the two rays forming the angle start from  and pass through  and .

 

2. Analyze each option:

A: The vertex of this angle is , not , so it is not another name for .

B: Here, the vertex is , and  and

Click "Show Answer" to reveal the answer and analysis