document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=829280>Question 829280</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An equilateral triangle has an altitude length of 18 feet. Determine the length of a side of the triangle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #499741 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=499741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An equilateral triangle has an altitude length of 18 feet.<BR>\n" );
document.write( " Determine the length of a side of the triangle<BR>\n" );
document.write( ":<BR>\n" );
document.write( "All angles of an equilateral triangle = 60<BR>\n" );
document.write( "The altitude forms two equal right triangles<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "sin(60) = 18/s<BR>\n" );
document.write( "s = 18/sin(60)<BR>\n" );
document.write( "s = 20.8 ft is the side of the triangle </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );