document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=298816>Question 298816</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circular cobblestone walk that surrounds a round fountain extends 5 ft from the fountain. What is the area (to the nearest whole number) of the walk if the diameter of the fountain is 12.5 ft? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #214904 by </B><A HREF=/tutors/aboutme.mpl?userid=Stitch><B>Stitch(470)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Stitch><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=214904\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Area of a circle = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi+%2A+r%5E2 ALIGN=MIDDLE  ALT=\"pi+%2A+r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "To find the area of just the walk around the fountain, you need to find the total area of the larger cirlce and then subtract the area of the inner circular fountain.\r<BR>\n" );
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document.write( "Diameter of the inner circle = 12.5ft<BR>\n" );
document.write( "The radius is half of the diameter, so the radius of the inner circle is 6.25ft\r<BR>\n" );
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document.write( "Area of the inner circle = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi+%2A+6.25%5E2+=+122.72ft%5E2 ALIGN=MIDDLE  ALT=\"pi+%2A+6.25%5E2+=+122.72ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now the radius of the larger circle is the 6.25ft + 5ft = 11.25ft<BR>\n" );
document.write( "Area of the outter circle = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi+%2A+11.25%5E2+=+397.61ft%5E2 ALIGN=MIDDLE  ALT=\"pi+%2A+11.25%5E2+=+397.61ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The surface are of just the walk = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=397.61ft%5E2+-+122.72ft%5E2 ALIGN=MIDDLE  ALT=\"397.61ft%5E2+-+122.72ft%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The surface are of just the walk = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28275ft%5E2%29 ALIGN=MIDDLE  ALT=\"highlight%28275ft%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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