1. The verdict to the first statement that Two rays with the same /endpoint are opposite rays is; Sometimes.This follows from the fact that two rays may have the same end point and may not be opposite rays.
2. The verdict about the statement that; The union of two opposite rays is a line is; Always. This follows from the fact that the end point of such opposite rays is the starting point of the other ray.
<h3>What is a ray?</h3>
In it's most primitive definition, a ray can be defined as a representative of a line with a starting point and advancing in a particular direction such that it does not have a particular ending point.