document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=731530>Question 731530</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We do have a pentagon figure with the size equals 25 units.\r<BR>\n" );
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document.write( "How to find the area of the figure?\r<BR>\n" );
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document.write( "Thank you for your time and consideration.\r<BR>\n" );
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document.write( "Kindest regards.  Zygmunt Osada </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #447175 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=447175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We do have a pentagon figure with the size equals 25 units.\r<BR>\n" );
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document.write( "How to find the area of the figure?<BR>\n" );
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document.write( "You can divide it into 5 isoceles triangles, then into 10 right triangles.<BR>\n" );
document.write( "The small angle of the right triangles = 360/10 = 36 degs<BR>\n" );
document.write( "The short side = 25/2 = 12.5<BR>\n" );
document.write( "Use trig to find the 2nd side (the apothem).<BR>\n" );
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document.write( "Use the formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area+=+ns%5E2%2Acot%28180%2Fn%29%2F4 ALIGN=MIDDLE  ALT=\"Area+=+ns%5E2%2Acot%28180%2Fn%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, n = # of sides, s = side length<BR>\n" );
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