Question

Two line respectively per pendicular to parallel line .so how that they are parallel to each other ​

Answer 1

If two lines are parallel to each other so the equal angles made on both parallel lines individually are also parallel.

Hope you got the rule.

Answer 2

Two parallel lines perpendicular to two separate lines. In fact , there are 4 lines in total . Only then it is possible , or else not as we know parallel lines means lines which don't touch and perpendicular means forming a 90 degree or a straight angle