document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=621294>Question 621294</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the area of an equilateral triangle (regular 3-gon) with the given measurement.\r<BR>\n" );
document.write( "\n" );
document.write( "3-inch radius\r<BR>\n" );
document.write( "\n" );
document.write( "A = sq. in.<BR>\n" );
document.write( "please help <BR>\n" );
document.write( "i got <BR>\n" );
document.write( "27/8 sqrt(3)<BR>\n" );
document.write( "am i correct or do i need to look at it again  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390702 by </B><A HREF=/tutors/aboutme.mpl?userid=tomlaidlaw><B>tomlaidlaw(14)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tomlaidlaw><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=tomlaidlaw><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=390702\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I think it is twice your answer.<BR>\n" );
document.write( "to get the side we use the formula for Radius and manipulate it to get side. Ris given as 3\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R+=+sqrt%283%29%2A+side%2F3 ALIGN=MIDDLE  ALT=\"R+=+sqrt%283%29%2A+side%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+=+sqrt%283%29+%2A+side%2F3 ALIGN=MIDDLE  ALT=\"3+=+sqrt%283%29+%2A+side%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9+=+sqrt%283%29+%2A+side ALIGN=MIDDLE  ALT=\"9+=+sqrt%283%29+%2A+side\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=side+=+9%2Fsqrt%283%29 ALIGN=MIDDLE  ALT=\"side+=+9%2Fsqrt%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=side+=+5.19 ALIGN=MIDDLE  ALT=\"side+=+5.19\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Area+=sqrt%283%29%2Aside%5E2%2F4 ALIGN=MIDDLE  ALT=\"Area+=sqrt%283%29%2Aside%5E2%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "which works out to about 11.664, which is very nearly 27/4 sqrt(3)<BR>\n" );
document.write( "There are many good articles on the web. For this answer I relied on:<BR>\n" );
document.write( "http://en.wikipedia.org/wiki/Equilateral_triangle<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );