Answer:
An Angle
Step-by-step explanation:
Step 1
given; The union of two rays with a common endpoint is called?
Required; To obtain the answer
Step 2
⇒A ray is part of a line that has a fixed starting point but does not have an endpoint. A ray can extend infinitely in one direction
⇒An angle is the union of two rays that share a common endpoint. The rays are called the sides of the angle, and the common endpoint is the vertex of the angle.
Therefore, the union of two rays with a common endpoint is called an angle.
(I have attached an example of a ray and angle)
