document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176945>Question 176945</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an observation helicopter using a laser devide determines the helicopter is 1800 m  from a boat in distress. The helicopter is 1200 m from a rescue boat.the angle formed between the helicopter and the two boats is 35 degrees. how far apart are the boats ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131994 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=131994\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> an observation helicopter using a laser devide determines the helicopter is 1800 m from a boat in distress. The helicopter is 1200 m from a rescue boat.the angle formed between the helicopter and the two boats is 35 degrees. how far apart are the boats ?<BR>\n" );
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document.write( "Use the Law of Cosines to get:<BR>\n" );
document.write( "d^2 = 1200^2 + 1800^2 - 2*1200*1800*cos(35)\r<BR>\n" );
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document.write( "d^2 = 1141263.169<BR>\n" );
document.write( "distance = 1068.3 meters<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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