document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=202461>Question 202461</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help finding the area of the octagon but i only have the height which is 2ft, i dont know the base therfore it makes it hard for me to find the area. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152798 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><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=152798\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I hope this helps.<BR>\n" );
document.write( "You only need h=2 to solve the problem.<BR>\n" );
document.write( "An octagon has 8 segments, each with an angle of 45 degrees.<BR>\n" );
document.write( "Take one segment, draw in the heigth as you would on any triangle.<BR>\n" );
document.write( "heigth=radius*sin 45 degrees.<BR>\n" );
document.write( "h=1*sin45 degrees<BR>\n" );
document.write( "h=.707<BR>\n" );
document.write( "a=bh/2<BR>\n" );
document.write( "a=(1*.707)/2<BR>\n" );
document.write( "a=0.3535 each segment<BR>\n" );
document.write( "8 segments times 0.3535=2.828 sq ft.<BR>\n" );
document.write( " </SPAN>\n" );
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