document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273490>Question 273490</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need your help in trying to find the area of any regular polygon. i think its chapter 11 in a geometry book. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199778 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20060)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=199778\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You didn't tell me what the letters in the formula<BR>\n" );
document.write( "for A, besides the letter A would have to represent.<BR>\n" );
document.write( "But whatever, it's a matter of breaking it into n congruent <BR>\n" );
document.write( "isosceles triangles.  Like this regular octagon:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-1.1%2C1.1%2C-1.1%2C1.1%2C%0D%0A%0D%0Aline%281%2C.4142135624%2C1%2C-.4142135624%29%2C%0D%0Aline%281%2C-.4142135624%2C.4142135624%2C-1%29%2C%0D%0Aline%28.4142135624%2C-1%2C-.4142135624%2C-1%29%2C%0D%0Aline%28-.4142135624%2C-1%2C-1%2C-.4142135624%29%2C%0D%0Aline%28-1%2C-.4142135624%2C-1%2C.4142135624%29%2C%0D%0Aline%28-1%2C.4142135624%2C-.4142135624%2C1%29%2C%0D%0Aline%28-.4142135624%2C1%2C.4142135624%2C1%29%2C%0D%0Aline%28.4142135624%2C1%2C1%2C.4142135624%29%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If you had a regular octagon-shaped pie,<BR>\n" );
document.write( "you would cut it into 8 congruent triangular<BR>\n" );
document.write( "slices like this:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-1.1%2C1.1%2C-1.1%2C1.1%2C%0D%0A%0D%0Aline%281%2C.4142135624%2C1%2C-.4142135624%29%2C%0D%0Aline%281%2C-.4142135624%2C.4142135624%2C-1%29%2C%0D%0Aline%28.4142135624%2C-1%2C-.4142135624%2C-1%29%2C%0D%0Aline%28-.4142135624%2C-1%2C-1%2C-.4142135624%29%2C%0D%0Aline%28-1%2C-.4142135624%2C-1%2C.4142135624%29%2C%0D%0Aline%28-1%2C.4142135624%2C-.4142135624%2C1%29%2C%0D%0Aline%28-.4142135624%2C1%2C.4142135624%2C1%29%2C%0D%0Aline%28.4142135624%2C1%2C1%2C.4142135624%29%2C%0D%0A%0D%0Aline%280%2C0%2C1%2C-.4142135624%29%2C%0D%0Aline%280%2C0%2C1%2C.4142135624%29%2C%0D%0Aline%280%2C0%2C.4142135624%2C1%29%2C%0D%0Aline%280%2C0%2C-.4142135624%2C1%29%2C%0D%0Aline%280%2C0%2C-1%2C.4142135624%29%2C%0D%0Aline%280%2C0%2C-1%2C-.4142135624%29%2C%0D%0Aline%280%2C0%2C-.4142135624%2C-1%29%2C%0D%0Aline%280%2C0%2C.4142135624%2C-1%29%0D%0A%0D%0A%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then you'd take just one piece of the pie,<BR>\n" );
document.write( "like this:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-1.1%2C1.1%2C-1.1%2C1.1%2C%0D%0A%0D%0Aline%28-.4142135624%2C-1%2C0%2C0%29%2C%0D%0Aline%28.4142135624%2C-1%2C-.4142135624%2C-1%29%2C%0D%0Aline%280%2C0%2C.4142135624%2C-1%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and find the area of it, and then multiply it<BR>\n" );
document.write( "by the number of sides, n.  In the case of this regular <BR>\n" );
document.write( "octagon, you would multiply the area of that triangle <BR>\n" );
document.write( "by 8, but in general you would multiply that area by n.\r<BR>\n" );
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document.write( "Edwin</pre> </SPAN>\n" );
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