document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1148865>Question 1148865</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two concentric circles are drawn so that the shaded area is equal to the unshaded area. The radius of the outer circle is 12cm. Find the difference in the radii of the two circles\r<BR>\n" );
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document.write( "Example of diagram: https://imgur.com/a/KQuBAVB </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #770188 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39627)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=770188\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given, the outer area equals the inner area, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A12%5E2-pi%2Ar%5E2=pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"pi%2A12%5E2-pi%2Ar%5E2=pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=144pi=2pi%2Ar%5E2 ALIGN=MIDDLE  ALT=\"144pi=2pi%2Ar%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72pi=pir%5E2 ALIGN=MIDDLE  ALT=\"72pi=pir%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=6%2Asqrt%282%29 ALIGN=MIDDLE  ALT=\"r=6%2Asqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Difference between radii, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12-6sqrt%282%29 ALIGN=MIDDLE  ALT=\"12-6sqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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