document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149114>Question 149114</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help!!!\r<BR>\n" );
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document.write( "the robinson track is shpaed like a rectangle with a semicircle on each of the shorter sies. the distance around the track is 1/4 mile. the straightaway is twice as long as the width of the field. what is the area of the field enclosed by the track to the nearest square foot?\r<BR>\n" );
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document.write( "thank you sooo much ! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109386 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109386\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call the straight part of the track <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s ALIGN=MIDDLE  ALT=\"s\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Call the width <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w ALIGN=MIDDLE  ALT=\"w\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Adding up the stright parts on each side, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+%2B+s+=+2s ALIGN=MIDDLE  ALT=\"s+%2B+s+=+2s\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The straightaway is twice the width<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+2w ALIGN=MIDDLE  ALT=\"s+=+2w\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w+=+%281%2F2%29%2As ALIGN=MIDDLE  ALT=\"w+=+%281%2F2%29%2As\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The circular portions of the track are made up of<BR>\n" );
document.write( "1/2 the circumference of a circle with diameter = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w ALIGN=MIDDLE  ALT=\"w\"   DISABLED_style= \"max-width:90%; height:auto;\" > on<BR>\n" );
document.write( "one end and another 1/2 of a circumference with diameter = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w ALIGN=MIDDLE  ALT=\"w\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "on the other end of the track<BR>\n" );
document.write( "If circumference = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C ALIGN=MIDDLE  ALT=\"C\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F2%29%2AC+%2B+%281%2F2%29%2AC+=+C ALIGN=MIDDLE  ALT=\"%281%2F2%29%2AC+%2B+%281%2F2%29%2AC+=+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "also,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+pi%2Aw ALIGN=MIDDLE  ALT=\"C+=+pi%2Aw\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+3.1416%2A%281%2F2%29%2As ALIGN=MIDDLE  ALT=\"C+=+3.1416%2A%281%2F2%29%2As\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+1.571s ALIGN=MIDDLE  ALT=\"C+=+1.571s\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.571s+%2B+2s+=+.25 ALIGN=MIDDLE  ALT=\"1.571s+%2B+2s+=+.25\"   DISABLED_style= \"max-width:90%; height:auto;\" >mi<BR>\n" );
document.write( "1 mi = 5280 ft<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.571s+=+.25+%2A+5280 ALIGN=MIDDLE  ALT=\"3.571s+=+.25+%2A+5280\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+369.6 ALIGN=MIDDLE  ALT=\"s+=+369.6\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft<BR>\n" );
document.write( "The area of the track is made up of a rectangle <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%2Aw ALIGN=MIDDLE  ALT=\"s%2Aw\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and 2 half-circles which add up to a whole circle,<BR>\n" );
document.write( "area = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A%28w%2F2%29%5E2 ALIGN=MIDDLE  ALT=\"pi%2A%28w%2F2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A%28s%2F4%29%5E2 ALIGN=MIDDLE  ALT=\"pi%2A%28s%2F4%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283.1416+%2F+16%29%2A%28369.6%29%5E2 ALIGN=MIDDLE  ALT=\"%283.1416+%2F+16%29%2A%28369.6%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.196%2A136604.16 ALIGN=MIDDLE  ALT=\".196%2A136604.16\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=26774.42 ALIGN=MIDDLE  ALT=\"26774.42\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The area of the rectangular part is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%2Aw ALIGN=MIDDLE  ALT=\"s%2Aw\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=369.6%2A%28369.6%2F2%29 ALIGN=MIDDLE  ALT=\"369.6%2A%28369.6%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=68302.08 ALIGN=MIDDLE  ALT=\"68302.08\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The total area is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=26774.42+%2B+68302.08+=+95076.5 ALIGN=MIDDLE  ALT=\"26774.42+%2B+68302.08+=+95076.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The area of the field to the nearest ft2 is 95,077 ft2<BR>\n" );
document.write( "check my work- I could have made a mistake, but I hope<BR>\n" );
document.write( "you get my method<BR>\n" );
document.write( "  </SPAN>\n" );
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