Angle
Opposite Ray!
Yes.
what is a ray
What about them?These are known as opposite rays. They form a line.
-- Two rays with a common endpoint form an angle. -- If they have a common endpoint, then they are collinear. So I guess, technically, the conditions described in the question aren't possible.
a line
vertex
Line
Angle
an angle precisely defined as the common endpoint of two rays
Two rays that share an endpoint form an angle.
An angle is formed by two rays with a common endpoint.
Opposite Ray!
Yes.
what is a ray
The vertex is the intersection of two rays with a common endpoint. Hope this helps! <3