document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084974>Question 1084974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A park has a circular lake 240' in diameter.  A walkway 6' wide is around the lake.  Determine number of sq. yds. in the walk. \r<BR>\n" );
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document.write( "A = area. \r<BR>\n" );
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document.write( "240' = 80 yds.,  6' = 2 yds.\r<BR>\n" );
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document.write( "A = pi(40 + 2)(40 - 2) <BR>\n" );
document.write( "A = pi(42)(38) <BR>\n" );
document.write( "A = pi(1596) <BR>\n" );
document.write( "A = 5013.9936 = 5014 sq. yds. \r<BR>\n" );
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document.write( "Area of circle:  pi * r^2 \r<BR>\n" );
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document.write( "Area of lake:  pi * 40 * 40 = 5026.56 =  5027 sq. yds. \r<BR>\n" );
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document.write( "Area of lake and walk:  pi * 42  * 42 = 5541.7824 = 5542 sq. yds. \r<BR>\n" );
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document.write( "Area of walk: 5542 - 5027 = 515 sq. yds. \r<BR>\n" );
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document.write( "Where am I incorrect. Non-homework.  Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #698992 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=698992\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A park has a circular lake <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240 ALIGN=MIDDLE  ALT=\"240\"   DISABLED_style= \"max-width:90%; height:auto;\" >' in diameter.-><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240in+=+6.67yd ALIGN=MIDDLE  ALT=\"240in+=+6.67yd\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " then, radius is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6.67yd%2F2=3.33yd ALIGN=MIDDLE  ALT=\"6.67yd%2F2=3.33yd\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "area of the lake is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283.33yd%29%5E2%2Api=11.1%2Api%2Ayd%5E2 ALIGN=MIDDLE  ALT=\"%283.33yd%29%5E2%2Api=11.1%2Api%2Ayd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " A walkway <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6in ALIGN=MIDDLE  ALT=\"6in\"   DISABLED_style= \"max-width:90%; height:auto;\" >wide is around the lake;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6in+=+0.17yd ALIGN=MIDDLE  ALT=\"6in+=+0.17yd\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " so, radius of the lake and walkway  is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.33yd%2B0.17yd=3.5yd ALIGN=MIDDLE  ALT=\"3.33yd%2B0.17yd=3.5yd\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " area of  the lake and walkway:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283.5yd%29%5E2%2Api=12.25%2Api%2Ayd%5E2 ALIGN=MIDDLE  ALT=\"%283.5yd%29%5E2%2Api=12.25%2Api%2Ayd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " area of  the walkway alone is:<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12.25%2Api%2Ayd%5E2-11.1%2Api%2Ayd%5E2=1.15%2Api%2Ayd%5E2=1.15%2A3.14%2Ayd%5E2=3.611yd%5E2 ALIGN=MIDDLE  ALT=\"12.25%2Api%2Ayd%5E2-11.1%2Api%2Ayd%5E2=1.15%2Api%2Ayd%5E2=1.15%2A3.14%2Ayd%5E2=3.611yd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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