A ray line has an endpoint with the point on the left side, connected to a line with a arrow pointing towards the right side.
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A ray is a dot at one end of the line and a arrow at the other end.
Indeed it does, my good man. See, if just one end has an arrow, then it is a ray, and if neither end has an arrow, it is a line segment.
A line in the real world would be, train tracks and a ray would be, a baseball field..........=) A line in the real world would be, train tracks and a ray would be, a baseball field..........=) Or.... a dolphin!! Don't believe me look it up
They are alike because a ray is part of a line, a segment is part of a line, and a line is basically a line. They are different because a segment has two end points; a ray has one, and a line is a group of points on a straight path that extends to infinity like a ray extends to infinity in one direction
A ray looks like this: •----------------> One end point, and an endless line going the other way.