Question

what is the definition of parallel lines​

Answer 1

Answer:

In geometry, parallel lines are lines in a plane which do not meet; that is, two straight lines in a plane that do not intersect at any point are said to be parallel. ... A line and a plane, or two planes, in three-dimensional Euclidean space that do not share a point are also said to be parallel.

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Answer 2

Answer:

$\huge\rm\pink{Answer:-}$

If two lines in a plane do not intersect each other, they are called Parallel Lines.