document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=209812>Question 209812</A>: <I><SPAN STYLE=\"word-break: break-all;\"> prove that any two right angles are congruent<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158594 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=158594\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There  is  a THEOREM,,,,\"  If  two  angles  are  supplements  of  congruent  angles(or  the  same angle),  THEN  the  two  angles  are  congruent.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "In  this  case,,,the  \"same  angle\"  is 90 degrees.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Both  of  the  right angles are  supplements,<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Therefore the  right  angles  are  congruent,<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Or    an  alternate  approach<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Definition of  a  right  angle  is \" Angle  with  measure 90 degrees\"<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Definition  of  congruent  angle  is \"Angles  that  have  equal  measure\"<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Since  both  angles  are  \"right\" ,  then  both  have  measure  of  90, therefore they  are  congruent.<BR>\n" );
document.write( ".<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );