It is an angle.
angle
an angle
The meeting points of two rays is called a vertex
a polygon
A circle is a continuous curve. A vertex is the intersection of two (or possibly more) line segments. A circle has no intersecting line segments. It is a curve, and does not have a vertex or vertices. None at all.
An angle.
an angle.
an angle
angle
an Angle
The meeting points of two rays is called a vertex
vertex
a polygon
It is a polygon that has three or more straight lines joined together at each vertex.
An angle is the figure formed by two rays sharing a common endpoint, called the vertex of the angle.
It is formed at a vertex when two line segments meet each other
This is the vertex of the angle between the two line segments