document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=223861>Question 223861</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I really dont get how to do proofs and such. We just started on them in Geometry but our teacher completely lost me. The homework seems like it is written in a foreign language to me.\r<BR>\n" );
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document.write( "The problem is:                                    <BR>\n" );
document.write( "               Suppose point T is the midpoint of RS and point W is the midpoint of RT.  If XY = (supposed to be about equal to) RT and TS has a length of z, write the length of the segment in terms of z for RT. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167333 by </B><A HREF=/tutors/aboutme.mpl?userid=MLipsky><B>MLipsky(9)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MLipsky><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=167333\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <hr />At least you're trying.  That's the most important thing.\r<BR>\n" );
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document.write( "With a problem like this, your only hope of getting it is to draw pictures.  PLEASE IGNORE ALL NUMBERS.<BR>\n" );
document.write( "\"Suppose point T is the midpoint of RS\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=number_line%28600%2C+-10%2C+10%2C+R=-8%2C+S=8%2C+T=0%29 ALIGN=MIDDLE  ALT=\"number_line%28600%2C+-10%2C+10%2C+R=-8%2C+S=8%2C+T=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "\" . . . and point W is the midpoint of RT\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=number_line%28600%2C+-10%2C+10%2C+R=-8%2C+S=8%2C+T=0%2C+W=-4%29 ALIGN=MIDDLE  ALT=\"number_line%28600%2C+-10%2C+10%2C+R=-8%2C+S=8%2C+T=0%2C+W=-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "\"If XY is equivalent to RT \"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=number_line%28600%2C+-10%2C+10%2C+X=-8%2C+Y=0%29 ALIGN=MIDDLE  ALT=\"number_line%28600%2C+-10%2C+10%2C+X=-8%2C+Y=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "\"and TS has a length of z\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=number_line%28600%2C+-10%2C+10%2C+S=8%2C+T=0%29 ALIGN=MIDDLE  ALT=\"number_line%28600%2C+-10%2C+10%2C+S=8%2C+T=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "\"write the length of the segment in terms of z for RT.\"<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=number_line%28600%2C+-10%2C+10%2C+R=-8%2C+T=0%29 ALIGN=MIDDLE  ALT=\"number_line%28600%2C+-10%2C+10%2C+R=-8%2C+T=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The numbers make it harder to see, but I hope you can tell that XY is equivalent to TS.  So, in terms of z, XY equals <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1z ALIGN=MIDDLE  ALT=\"1z\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  It seems complicated, because of the way it's written, but it's not complicated.  If they want some written proof, I suppose you could say that since T is the midpoint, then RT is equivalent to TS.  And XY is equivalent to RT (given).  Therefore, XY must be equivalent to TS.\r<BR>\n" );
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