Question

4. The point at which two rays meet is known as
of an angle.
means part of a whole​

Answer 1

Answer:

Vertex: The common end point at which the two rays meet to form an angle is called the vertex. Here, the point O is the vertex of ∠AOB.

Answer 2

Correct answer is : Vertex

Explaination :

When two rays meet they form an angle. The point where the two rays intersect, which is also their starting point, is called the vertex.