document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=920434>Question 920434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"The square and rectangle shown below have the same perimeter.\r<BR>\n" );
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document.write( "*square* (2x+2)cm         *Rectangle* (x+3)cm <BR>\n" );
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document.write( "Show that the length of the rectangle is (3x+1)cm </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #558376 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=558376\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given:<BR>\n" );
document.write( "*square* <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L%5Bs%5D=%282x%2B2%29cm+ ALIGN=MIDDLE  ALT=\"L%5Bs%5D=%282x%2B2%29cm+\"   DISABLED_style= \"max-width:90%; height:auto;\" >    =>    <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Bs%5D=4%282x%2B2%29cm+ ALIGN=MIDDLE  ALT=\"P%5Bs%5D=4%282x%2B2%29cm+\"   DISABLED_style= \"max-width:90%; height:auto;\" >   <BR>\n" );
document.write( "*Rectangle* <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W%5Br%5D=%28x%2B1%29cm+ ALIGN=MIDDLE  ALT=\"W%5Br%5D=%28x%2B1%29cm+\"   DISABLED_style= \"max-width:90%; height:auto;\" >   => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Br%5D=2%28x%2B1%29cm%2B2%28x%2B3%29cm+ ALIGN=MIDDLE  ALT=\"P%5Br%5D=2%28x%2B1%29cm%2B2%28x%2B3%29cm+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Bs%5D=P%5Br%5D ALIGN=MIDDLE  ALT=\"P%5Bs%5D=P%5Br%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Show that the length of the rectangle is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%283x%2B1%29cm ALIGN=MIDDLE  ALT=\"L=%283x%2B1%29cm\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Bs%5D=P%5Br%5D ALIGN=MIDDLE  ALT=\"P%5Bs%5D=P%5Br%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > we have\r<BR>\n" );
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document.write( "if <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W%5Br%5D=%28x%2B1%29cm+ ALIGN=MIDDLE  ALT=\"W%5Br%5D=%28x%2B1%29cm+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%283x%2B1%29cm ALIGN=MIDDLE  ALT=\"L=%283x%2B1%29cm\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Br%5D=+2%283x%2B1%29cm%2B2%28x%2B3%29cm+ ALIGN=MIDDLE  ALT=\"P%5Br%5D=+2%283x%2B1%29cm%2B2%28x%2B3%29cm+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and it is equal to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%5Bs%5D=4%282x%2B2%29cm+ ALIGN=MIDDLE  ALT=\"P%5Bs%5D=4%282x%2B2%29cm+\"   DISABLED_style= \"max-width:90%; height:auto;\" >   \r<BR>\n" );
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document.write( "so,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%282x%2B2%29cm=+2highlight%28%283x%2B1%29%29cm%2B2%28x%2B3%29cm ALIGN=MIDDLE  ALT=\"4%282x%2B2%29cm=+2highlight%28%283x%2B1%29%29cm%2B2%28x%2B3%29cm\"   DISABLED_style= \"max-width:90%; height:auto;\" > ...solve it and see if left side is equal to right side:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B8cm=+6x%2B2cm%2B2x%2B6cm ALIGN=MIDDLE  ALT=\"8x%2B8cm=+6x%2B2cm%2B2x%2B6cm\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8x%2B8cm=8x%2B8cm ALIGN=MIDDLE  ALT=\"8x%2B8cm=8x%2B8cm\"   DISABLED_style= \"max-width:90%; height:auto;\" > ...<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28true%29 ALIGN=MIDDLE  ALT=\"highlight%28true%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so the length of the rectangle is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%283x%2B1%29%29cm ALIGN=MIDDLE  ALT=\"highlight%28%283x%2B1%29%29cm\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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