1.

In a plane if a line is________to one of the two parallel lines, it isperpendicular to other line also.​

Answer»

Step-by-step explanation:

if ONE of the parallel lines is perpendicular to a THIRD line, this means that the angle formed by bot lines is equal to 90°. And because the SECOND parallel line has an angle of 0° with respect of the FIRST one, then the angle formed with the third line is ALSO 0° + 90° = 90°, so is also perpendicular.



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