Yes, a ray has only one endpoint.
A ray can be described as the half line with designated end point which extends in only one direction without stopping.
Such a figure cannot exist. If it goes on forever in only one direction then it must have an end point.
a ray
A line (2D), ray (2D), vector (2D), line segment (2D), a mobius strip (3D), or a klein bottle (3D).
A line
Yes.
ray
Yes, a ray has only one endpoint.
A ray is infinite in only one direction.
A ray has only one point. It goes on and on in one direction only.
No. A doctor listens for it. Pneumonia shows up on the x ray.
A ray has only one end point.
Yes. An x-ray shows only bones; an MRI shows bones+tissues+muscle.
a ray only goes in one direction which is either left, right, up, or down
A ray = A half-line
A ray