Question 1012485
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If two lines are cut by a {{{highlight(transverse)}}} so that exterior angles on the same side of the {{{highlight(transverse)}}} are supplementary, prove that the lines are parallel.
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See the lesson <A HREF=http://www.algebra.com/algebra/homework/Angles/Parallel-lines.lesson>Parallel lines</A> in this site.


Thank you for asking.