A line can be labeled with two points on the line (e.g. ↔BC) or by just a letter, generally less than (for example, line m ).
- There really are 2 endpoints in a line segment.
- The endpoints and all the points in them have included the length of a sector, but not a line can be measured.
- It shows structures as a linear character string.
- They are commonly employed in chemicals as computers can readily handle linear data strings.
The wrong choice can be defined as follows:
- In option B, it is wrong because (segment bar) is a Line Segment.
- In option C, it is wrong because (→ or ←) is a Ray.
- In option D, it is wrong because it is a Point.
Therefore the final answer is "Option a".
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