document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91325>Question 91325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi, i would like to know the area of a regular heptagon who's perimeter is 1000m.<BR>\n" );
document.write( "can you please help me and answer this question.\r<BR>\n" );
document.write( "\n" );
document.write( "thanks<BR>\n" );
document.write( "bye! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #66301 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=66301\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Heptagon has 7 sides.<BR>\n" );
document.write( "Draw the picture including the 7 interior triangles.<BR>\n" );
document.write( "Each side is 1000/7 = 142.86<BR>\n" );
document.write( "A central angle of one of the interior triangles is 360/7 = 51.43 degrees<BR>\n" );
document.write( "Draw an altitude from the center to one of the sides. That bisects the <BR>\n" );
document.write( "side.<BR>\n" );
document.write( "Find the altitude using tan(51.43/2)=71.43/altitude<BR>\n" );
document.write( "altitude = 148.32<BR>\n" );
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document.write( "Area of one of the 7 interior triangles is 71.43*148.32 = 10594.58<BR>\n" );
document.write( "Area of the whole heptagon = 7*10594.58 = 74162.08 sq meters<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( " </SPAN>\n" );
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