document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=178924>Question 178924</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A wire is bent in a shape of a square of side 4cm. The wire is again bent into the shape of a circle.Find the radius of the circle. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #133895 by </B><A HREF=/tutors/aboutme.mpl?userid=colliefan><B>colliefan(242)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=colliefan><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=133895\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A wire is bent in a shape of a square of side 4cm. The wire is again bent into the shape of a circle.Find the radius of the circle.\r<BR>\n" );
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document.write( "The key is that the circumference of the square and the circumference of the circle are the same.\r<BR>\n" );
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document.write( "C of square = 4 sides * 4 cm = 16 cm\r<BR>\n" );
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document.write( "C of circle = 2*pi*r<BR>\n" );
document.write( "You know the C of the circle is 16 cm so:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16=2%2Api%2Ar ALIGN=MIDDLE  ALT=\"16=2%2Api%2Ar\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplifying: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r+=+16%2F%282%2Api%29 ALIGN=MIDDLE  ALT=\"r+=+16%2F%282%2Api%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "r=2.55 cm </SPAN>\n" );
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