Question

name the common vertex:_
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Answer 1

Step-by-step explanation:

The common end point is called the Vertex and rays OA and OB are the arms of the angle. In the above figure, AOB is angle whose two arms are the rays OB and OA. The symbol for an angle is < and angle AOB can be written as <AOB.

Answer 2

Step-by-step explanation:

The common end point is called the vertex and rays OA and OB are the arms of the angle.