document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=501441>Question 501441</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given: <1 and <2 are supplementary; <3 and <4 are supplementary; <2 = <4; <BR>\n" );
document.write( "Prove: <1 = <3<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #338693 by </B><A HREF=/tutors/aboutme.mpl?userid=cleomenius><B>cleomenius(959)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=cleomenius><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/cgi-bin/show-face.mpl?user=cleomenius><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=338693\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Supplementary angles add to 180 degrees. Definition of supplementary angles.<BR>\n" );
document.write( "Angles 1 + 2 = 180 degrees. Given<BR>\n" );
document.write( "Angles 3 + 4 = 180 degrees. Given<BR>\n" );
document.write( "Angles 1 + 2 = angles 3 + 4. Substitution.<BR>\n" );
document.write( "Angle 2 = angle 4. Given.<BR>\n" );
document.write( "Angles 1 + 4 = angles 3 + 4. Substitution.<BR>\n" );
document.write( "Angle 1 = angle 3. Subtraction of same value from each side of the equation.<BR>\n" );
document.write( "Cleomenius. </SPAN>\n" );
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