How to find whether a line segment is parallel to another line segment ?????????? 

Dear Student,

Please find below the solution to the asked query:
$\mathrm{If} \mathrm{the} \mathrm{distance} \mathrm{between} \mathrm{the} \mathrm{two} \mathrm{line} \mathrm{segment} \mathrm{are} \mathrm{always} \mathrm{same} \mathrm{at} \mathrm{all} \mathrm{the} \mathrm{points} \mathrm{then} \mathrm{the} \mathrm{lines} \mathrm{are} \mathrm{parellel}$

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