document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1128914>Question 1128914</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Two circles have the same center but one circle has a radius 5 cm greater than the other. The area of the inner circle is 228 cm2 less than the outer circle. What is the radius of the smaller circle in centimeters?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #745431 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=745431\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Radius of smaller is x<BR>\n" );
document.write( "of larger is x+5<BR>\n" );
document.write( "area of smaller/inner is pi*x^2<BR>\n" );
document.write( "area of larger is pi(x^2+10x+25)<BR>\n" );
document.write( "smaller + 228 cm^2=larger<BR>\n" );
document.write( "so pi(x^2)+228=pix^2+pi(10x+pi*25)<BR>\n" );
document.write( "228=pi(10x+25)<BR>\n" );
document.write( "72.57=10x+25<BR>\n" );
document.write( "10x=47.57<BR>\n" );
document.write( "x=4.76 cm radius smaller circle with area 71.18 cm^2 ANSWER<BR>\n" );
document.write( "x+5=9.76 cm radius larger circle with area 299.26 cm^2, 228 cm^2 larger given rounding. </SPAN>\n" );
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