document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=875466>Question 875466</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a triangular pyramid has base edges that each measure 14 meters and a slant height that measures20 meters what is the surface area of the pyramid? Hint: the height of the equilateral triangle that is the base is 12.1 meters<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528199 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=528199\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> base is an equilateral triangle with a height of 12.1244<BR>\n" );
document.write( "area of the base is equal to 1/2 * b * h which is equal to 1/2 * 14 * 12.1244 which is equal to 84.8708<BR>\n" );
document.write( "the triangular pyramid has 3 faces.<BR>\n" );
document.write( "each face has a height of 20 and a base of 14.<BR>\n" );
document.write( "area of each face is equal to 1/2 * 14 * 20 = 140<BR>\n" );
document.write( "the sum of the area of the faces is equal to 3 * 140 = 420<BR>\n" );
document.write( "the total surface area is equal to the area of the base plus the area of the faces which is equal to 87.8708 + 420 which is equal to 504.8708 which rounds to 504.9 if you want the answer to one decimal place.<BR>\n" );
document.write( "see the picture below:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" src = \"http://theo.x10hosting.com/2014/may1903.jpg\" alt=\"$$$\" </> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );