A ray
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line that only goes in one direction and the opposite direction
A ray has only one point. It goes on and on in one direction only.
Yes
the three types of UNDEFINED TERMS are:point: it has no dimension ( no width, no length no thickness),line: composed of points; can be extended in opposite direction;one dimensionplane: has four sides ad can be extended indefinitely in all directions; two dimensions
NO it does not, a ray extends from one point and goes on forever in ONLY ONE direction.