Question

Which undefined term is used to define an angle?

Answer 1

Formed by two rays with a common endpoint. The endpoint is the vertex. And the two rays are the sides. Example name= PQR (Q is the vertex)

Answer 2

Point

Explanation:

Let's see the definition of angle.

An angle is formed by two rays starting from the same point and extending in two different direction.

The point is called the vertex.

Here the undefined term is "point"