document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1177833>Question 1177833</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A landscape architect is planning a circular flower<BR>\n" );
document.write( "bed that will be surrounded by a ring of paving<BR>\n" );
document.write( "stones, 25 cm wide. The area of the ring of paving<BR>\n" );
document.write( "stones will be half the area of the flower bed.<BR>\n" );
document.write( "Determine the radius of the flower bed, to the<BR>\n" );
document.write( "nearest centimetre.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #806938 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=806938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "pi*(r+25)^2 -pi*r^2= (1/2) pi*r^2\r<BR>\n" );
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document.write( "pi*(r+25)^2 = (3/2) pi*r^2\r<BR>\n" );
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document.write( "(r+25)^2= 3/2 * r^2\r<BR>\n" );
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document.write( "r^2+50t +625 = 3/2 * r^2 \r<BR>\n" );
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document.write( "r^2-(3/2)r^2=-625\r<BR>\n" );
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document.write( "-(1/2) r^2 =-625\r<BR>\n" );
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document.write( "r^2= 1250\r<BR>\n" );
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document.write( "r = 35 cm\r<BR>\n" );
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document.write( " </SPAN>\n" );
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