katia87
katia87
17.10.2020 • 
Mathematics

Prove the theorem: In a plane, if a transversal is perpendicular to one of two parallel lines, then it is perpendicular to the other.
Given the facts RS 1 CD and AB || CD, select the reasons to prove the statement RS 1 AB.


Prove the theorem: In a plane, if a transversal is perpendicular to one of two parallel lines, then

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