document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=53900>Question 53900</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the area of a rectangle whose perimeter is 64 meters and whose length is 4 meters longer than its width\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the length of rectangle is 21 feet longer than it is wide find the dimensions of the rectangle if its perimter is 90 feet </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #36152 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=36152\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rectangles are four sided figures where the opposite sides are equal.  We find the perimeter of any polygon by adding the sides together.  Therefore the formula for the perimeter of a rectangle is:<BR>\n" );
document.write( "Peremeter(P)=width(W)+width(W)+length(L)+length(L)<BR>\n" );
document.write( "P=W+W+L+L<BR>\n" );
document.write( "P=2W+2L<BR>\n" );
document.write( "For the first problem:<BR>\n" );
document.write( "P=64 m<BR>\n" );
document.write( "Let width=x<BR>\n" );
document.write( "The length is 4m longer, so let leght=x+4<BR>\n" );
document.write( "Plug your values into the formula and solve for x:<BR>\n" );
document.write( "64=2x+2(x+4)<BR>\n" );
document.write( "64=2x+2x+8<BR>\n" );
document.write( "64=4x+8<BR>\n" );
document.write( "64-8=4x+8-8<BR>\n" );
document.write( "56=4x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=56%2F4=4x%2F4 ALIGN=MIDDLE  ALT=\"56%2F4=4x%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=14=cross%284%29x%2Fcross%284%29 ALIGN=MIDDLE  ALT=\"14=cross%284%29x%2Fcross%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "14=x<BR>\n" );
document.write( "Width:x=14 m<BR>\n" );
document.write( "Lenght:x+4=14+4=18m<BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "For the second one:<BR>\n" );
document.write( "P=90<BR>\n" );
document.write( "Width=x<BR>\n" );
document.write( "Length=x+21<BR>\n" );
document.write( "Problem:<BR>\n" );
document.write( "90=2(x)+2(x+21)<BR>\n" );
document.write( "90=2x+2x+42<BR>\n" );
document.write( "90=4x+42<BR>\n" );
document.write( "90-42=4x+42-42<BR>\n" );
document.write( "48=4x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48%2F4=4x%2F4 ALIGN=MIDDLE  ALT=\"48%2F4=4x%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12=cross%284%29x%2Fcross%284%29 ALIGN=MIDDLE  ALT=\"12=cross%284%29x%2Fcross%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "12=x<BR>\n" );
document.write( "Width:x=12 ft.<BR>\n" );
document.write( "Length:x+21=12+21=33 ft.<BR>\n" );
document.write( "Happy Calculating!!!! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );