document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1001689>Question 1001689</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pole is broken by the storm of wind and its top struck the ground at an angle<BR>\n" );
document.write( "30° and at a distance of 20m from the foot of the pole. The height of the pole<BR>\n" );
document.write( "before it was broken was? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #618777 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=618777\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You know a leg and the hypotenuse.  The hypotenuse plus the other leg is the length of the pole before breaking.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "r, the broken piece;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2Acos%2830%29=20 ALIGN=MIDDLE  ALT=\"r%2Acos%2830%29=20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=20%2Fcos%2830%29 ALIGN=MIDDLE  ALT=\"r=20%2Fcos%2830%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The other leg, still sticking vertically from the ground is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2Asin%2830%29 ALIGN=MIDDLE  ALT=\"r%2Asin%2830%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Put all together, the pole before breaking is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%2820%2Fcos%2830%29%2B%2820%2Fcos%2830%29%29%2Asin%2830%29%29 ALIGN=MIDDLE  ALT=\"highlight%2820%2Fcos%2830%29%2B%2820%2Fcos%2830%29%29%2Asin%2830%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Compute that. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );