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Rays aren't really lines, since (Euclidean) lines extend infinitely in all directions, so they can't be parallel lines.
But that's to fret a bit too much over the wording. Yes, rays, just like lines and line segments, can be parallel to other rays, lines, or line segments.
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Are rays that are subsets of parallel lines may not be parallel?
chico
Do parallel lines ever meet?
Parallel lines never ever meet with each other
What is formed by two rays called?
Skew lines, parallel lines or an angle.
Do coplaner lines ever intersect?
if they are parallel -- no. if not parallel -- yes
Can two rays be parallel?
This depends on how you define ray. If two rays means two distinct lines radiating from a single point, then they can't be parallel in Euclidean geometry.
Are rays that are subsets of parallel lines may not be parallel?
chico
How can two rays be parallel to each other?
If the slope of the lines are the same, it show that the lines are parallel.
Why can rays be perpendicular but not parallel?
Rays pass through one point. Parallel lines never meet.
Do parallel lines ever meet?
Parallel lines never ever meet with each other
What is formed by two rays called?
Skew lines, parallel lines or an angle.
Do parallel lines ever intersect?
No, parallel lines cannot ever intersect. The have identical slopes. Therefore, they will always remain parallel.
Are two segments or rays in the same plane parallel if the planes containing them are parallel?
lines
Do coplaner lines ever intersect?
if they are parallel -- no. if not parallel -- yes
Will perpendicula lines ever touch?
Yes but parallel lines wont ever touch.
Can intersecting lines ever be parallel?
Not at all. If they touch, then they can't be parallel
Can two rays be parallel?
This depends on how you define ray. If two rays means two distinct lines radiating from a single point, then they can't be parallel in Euclidean geometry.
Can parallel lines ever cross each other?
No, parallel actually means that the lines will never touch or cross
