document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=927123>Question 927123</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the area between two concentric circles having diameters 10 and 18 meters respectively? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #562688 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=562688\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5B1%5D+=+pi%2Ar%5B1%5D%5E2+ ALIGN=MIDDLE  ALT=\"+A%5B1%5D+=+pi%2Ar%5B1%5D%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5B2%5D+=+pi%2Ar%5B2%5D%5E2+ ALIGN=MIDDLE  ALT=\"+A%5B2%5D+=+pi%2Ar%5B2%5D%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B1%5D+=+%281%2F2%29%2Ad%5B1%5D+ ALIGN=MIDDLE  ALT=\"+r%5B1%5D+=+%281%2F2%29%2Ad%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B1%5D+=+%281%2F2%29%2A18+ ALIGN=MIDDLE  ALT=\"+r%5B1%5D+=+%281%2F2%29%2A18+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B1%5D+=+9+ ALIGN=MIDDLE  ALT=\"+r%5B1%5D+=+9+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B2%5D+=+%281%2F2%29%2Ad%5B2%5D+ ALIGN=MIDDLE  ALT=\"+r%5B2%5D+=+%281%2F2%29%2Ad%5B2%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B2%5D+=+%281%2F2%29%2A10+ ALIGN=MIDDLE  ALT=\"+r%5B2%5D+=+%281%2F2%29%2A10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5B2%5D+=+5+ ALIGN=MIDDLE  ALT=\"+r%5B2%5D+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5B1%5D+=+pi%2A9%5E2+ ALIGN=MIDDLE  ALT=\"+A%5B1%5D+=+pi%2A9%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5B1%5D+=+81%2Api+ ALIGN=MIDDLE  ALT=\"+A%5B1%5D+=+81%2Api+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5B2%5D+=+pi%2A5%5E2+ ALIGN=MIDDLE  ALT=\"+A%5B2%5D+=+pi%2A5%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5B2%5D+=+25%2Api+ ALIGN=MIDDLE  ALT=\"+A%5B2%5D+=+25%2Api+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Area between the circles = <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%5B1%5D+-+A%5B2%5D+ ALIGN=MIDDLE  ALT=\"+A%5B1%5D+-+A%5B2%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+81%2Api+-+25%2Api+=+56%2Api+ ALIGN=MIDDLE  ALT=\"+81%2Api+-+25%2Api+=+56%2Api+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );