Question

If a transversal is ___________to one of two parallel lines, then it is perpendicular to the other one also.
perpendicular
parallel
corresponding

Answer 1

Remember a transversal passes through 2 lines. So if it passes through one line, it passes through the other the same way. So the answere is perpendicular. (90o angle)

Answer 2

perpendicular                                   
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