document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=864599>Question 864599</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a circular pond has a radius of 10 feet. there are plans to build a paved path around the pond. if the path is to be 2 feet wide, how many square feet of paving are needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #521120 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=521120\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The area of just the pond only is exactly <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2+=+pi%2A10%5E2+=+100pi ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2+=+pi%2A10%5E2+=+100pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > square feet.\r<BR>\n" );
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document.write( "The radius of pond + the path is 10+2 = 12 ft, so the area of the pond+path is is exactly <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2Ar%5E2+=+pi%2A12%5E2+=+144pi ALIGN=MIDDLE  ALT=\"pi%2Ar%5E2+=+pi%2A12%5E2+=+144pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > square feet.\r<BR>\n" );
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document.write( "The area of just the path only is equal to the difference of the two areas: \r<BR>\n" );
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document.write( "Area of Path  DISABLED_event_Only=  (Area of Pond+Path) - (Area of Pond Only)\r<BR>\n" );
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document.write( "Area of Path  DISABLED_event_Only=  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=144pi+-+100pi ALIGN=MIDDLE  ALT=\"144pi+-+100pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Area of Path  DISABLED_event_Only=  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28144+-+100%29pi ALIGN=MIDDLE  ALT=\"%28144+-+100%29pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Area of Path  DISABLED_event_Only=  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=44pi ALIGN=MIDDLE  ALT=\"44pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The exact area of the path only is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=44pi ALIGN=MIDDLE  ALT=\"44pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > square feet. If you use the decimal approximation of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.14 ALIGN=MIDDLE  ALT=\"3.14\"   DISABLED_style= \"max-width:90%; height:auto;\" > for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then the approximate area of the path is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=44pi=44%2A3.14=138.16 ALIGN=MIDDLE  ALT=\"44pi=44%2A3.14=138.16\"   DISABLED_style= \"max-width:90%; height:auto;\" > square feet.\r<BR>\n" );
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document.write( "Keep in mind that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > goes on infinitely in terms of the decimal expansion. So use more decimal digits of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get a more accurate picture of the approximate area.\r<BR>\n" );
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