document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153651>Question 1153651</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to calculate the maximum area of rectangle give the fixed perimeter of 24. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #775907 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=775907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> length is x and width is 12-x, and that gives half perimeter of 12<BR>\n" );
document.write( "area is x(12-x)<BR>\n" );
document.write( "maximize their product, which is 12x-x^2<BR>\n" );
document.write( "the vertex is at -b/2a or -12/-2 or x=6<BR>\n" );
document.write( "12-x=6<BR>\n" );
document.write( "This is a square with area 36 sq units\r<BR>\n" );
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document.write( "Calculus gets the same answer. </SPAN>\n" );
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