document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165390>Question 1165390</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An artist has been commissioned to make a stained glass window in the shape of a regular octagon. The octagon must fit inside a 28in square space. Determine the length of each side of the octagon. Round to the nearest hundredth of an inch.<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 #790056 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13216)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=790056\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Picture the regular octagon as the 28-inch square, with isosceles right triangles cut off each corner.<br><BR>\n" );
document.write( "If s is the length of each side of the octagon, then each leg of each of the isosceles triangles is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%2Fsqrt%282%29 ALIGN=MIDDLE  ALT=\"s%2Fsqrt%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<br><BR>\n" );
document.write( "Then the 28-inch side of the square is composed of the legs of two of the isosceles triangles and one side of the octagon.  Its length is<br<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%2B2%28s%2Fsqrt%282%29%29+=+s%2Bs%2Asqrt%282%29+=+s%281%2Bsqrt%282%29%29 ALIGN=MIDDLE  ALT=\"s%2B2%28s%2Fsqrt%282%29%29+=+s%2Bs%2Asqrt%282%29+=+s%281%2Bsqrt%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "So<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%281%2Bsqrt%282%29%29+=+28 ALIGN=MIDDLE  ALT=\"s%281%2Bsqrt%282%29%29+=+28\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s+=+28%2F%281%2Bsqrt%282%29%29 ALIGN=MIDDLE  ALT=\"s+=+28%2F%281%2Bsqrt%282%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Use a calculator and round as directed.<br><BR>\n" );
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