document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1186429>Question 1186429</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please help write an INDIRECT PROOF for this problem? My child is currently learning Indirect proofs at school. Would greatly appreciate your help.\r<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 #817388 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=817388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Statement 5 in the response from the other tutor is not valid....<br><PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "1. BC is congruent to DC                indirect proof assumption\r\n" );
document.write( "2. AB is congruent to AD                given\r\n" );
document.write( "3. AC is congruent to AC\r\n" );
document.write( "4. Triangles ACB and ACD are congruent  SSS\r\n" );
document.write( "5. Angles BAC and DAC are congruent     corresponding parts of congruent triangles</PRE><BR>\n" );
document.write( "Statement 5 contradicts the given information that angles BAC and DAC are not congruent, so the assumption that BC is congruent to DC is false.<br><BR>\n" );
document.write( "Therefore, BC is not congruent to DC, and the indirect proof is complete.<br>\r<BR>\n" );
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