Geometry

The correct answer is C. , .

 

1. Recall the definition of an angle in terms of rays:

An angle is formed by two rays that share a common endpoint, which is the vertex of the angle. For , the vertex is point .

The rays that form the angle should start from the vertex .

One ray starts from  and passes through , which is denoted as . The other ray starts from  and passes through , which is denoted as .

 

2. Analyze each option:

A: Rays are not named correctly here. A ray is named starting from its endpoint first. Also, these do not form  , so this option is incorrect.

 

B: Incorrect ray - naming format, and these rays do not form

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