Respuesta :
The middle letter denotes the vertex.
Letter A and Letter B would have the vertex at A
Letter A and Letter B would have the vertex at A
Angle with a vertex at A would be:
A. CAB
B. BAC.
Vertex of an angle is the point where two straight lines or rays meet to form a corner.
In the image attached below:
line CA and BA meets at point A to form an angle with vertex A.
line BA and CA meets at point A to form an angle with vertex A.
Therefore, <CAB and <BAC describe an angle that has a vertex at A.
Learn more about vertex of an angle here:
https://brainly.com/question/11438826
