document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=955740>Question 955740</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello. I need your help.\r<BR>\n" );
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document.write( "If the angle of elevation of the sun is 36°, how long is the shadow cast by a flagpole 12 feet hugh standing on level ground?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #583865 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=583865\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We use some trigonometry to solve this problem<BR>\n" );
document.write( "we have a right triangle formed by the flag pole, the shadow, and 36 degrees from the horizontal, therefore we have<BR>\n" );
document.write( "tangent(36 degrees) = 12 / x where x is the length of the shadow<BR>\n" );
document.write( "note that tangent is the ratio of the opposite side to the adjacent side<BR>\n" );
document.write( "now,<BR>\n" );
document.write( "x * tangent(36) = 12<BR>\n" );
document.write( "x = 12 / tangent(36) = 12 / 0.726542528 = 16.516583046 approx 16.5<BR>\n" );
document.write( "the shadow is 16.5 feet long<BR>\n" );
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