Question 1012993
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A line is of infinite length, the image of a linear equation,
whose absolute distance between two points equals the measured distance
along the figure between the all points.
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A line segment is the distance between two points on a line.
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A ray is the portion of the infinite line between a given point and the 
corresponding infinity in the given direction.
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OR
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A line expands infinitely in two directions
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A line segment has two ends.
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A ray has one fixed end and continue indefinitely in the other direction