document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132547>Question 132547</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a 48\" square piece of plywood. I want to cut it into an octogon with all 8 sides equal length. How do I calculate this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #97062 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=97062\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you have to cut the corners of the square off\r<BR>\n" );
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document.write( "the cut pieces will be 45° isosceles right triangles\r<BR>\n" );
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document.write( "the hypotenuse of a cut piece is the length of the side of the octagon\r<BR>\n" );
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document.write( "let x=\"side length of octagon\" __ x+2(x/(sqrt(2)))=48 __ x+x(sqrt(2))=48\r<BR>\n" );
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document.write( "factoring __ x(1+sqrt(2))=48 __ dividing by (1+sqrt(2)) __ x=48/(1+sqrt(2))\r<BR>\n" );
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document.write( "x is approximately 19.88 inches\r<BR>\n" );
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document.write( "19.875 is 19 7/8, so the ends of the cuts are 14 1/16 in from the corners of the square </SPAN>\n" );
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