Geometry

The correct answer is D.∠ZYX.

 

1. Recall the rules for naming an angle:

An angle is named using three points where the middle point is the vertex of the angle. When the angle is formed by rays  and , the common endpoint of these two rays is the vertex. Here, the common endpoint is point , so  must be the middle letter in the three - letter angle name.

The first and the last letters represent points on the respective rays.

 

2. Analyze each option:

A: This just represents a point , not an angle formed by  and , so it is incorrect.

 

B: While  is the vertex of the angle, a single - letter name is not the long - form name. The long - form uses three letters, so this is incorrect.

 

C: In this name, the vertex is , but for the rays  and , the vertex is

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