document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=211409>Question 211409</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given: angle 1 and angle 2 are supplementary, and angle 3 and angle 4 are supplementary, angle 2 and angle 3 are congruent. <BR>\n" );
document.write( "Prove: angle 1 and angle 4 are congruent.\r<BR>\n" );
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document.write( "HELP! i'm not sure of the two collum proofs and the Thereoms to go with it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #159773 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=159773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.,,,   <1 +<2 = 180,,,,,given  supplementary<BR>\n" );
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document.write( "2.,,,   <3 +<4 = 180,,,,,given  supplementary<BR>\n" );
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document.write( "3.,,,   <2 = 180- <1,,,,,subst  postulate<BR>\n" );
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document.write( "4.,,,   <3 = 180- <4,,,,,subst  postulate<BR>\n" );
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document.write( "5,,,<2 = <3,,,,,,,,,,,,,,given<BR>\n" );
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document.write( "6,,,180-<1 = 180-<4,,,,,,substitution<BR>\n" );
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document.write( "7,,,<1 = <4,,,,,,substraction  and  multiplication  postulate<BR>\n" );
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document.write( "Note:  There  is  a  Theorem  that  \" if  2  angles  are  supplements  of  equal  angles,,,then the  two  angles  are  congruent\"<BR>\n" );
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