document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1161930>Question 1161930</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given: line GH is parallel to line KJ. Prove: triangle GHF is similar to triangle JKF. </SPAN>\n" );
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document.write( "Angles HGJ and KJG are congruent because of parallel lines cut by a transversal; similarly angles GHK and JKH are congruent.<br><BR>\n" );
document.write( "And angles GFH and JFK are congruent because they are vertical angles.<br><BR>\n" );
document.write( "Since the three angles of one triangle are congruent to the three angles of the other, the triangles are similar.<br><BR>\n" );
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