document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43249>Question 43249</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jan is flying a plane on a triangular course at 320 mi/hr. she flies due east for two hours and then turns right through a 65o angle. How long after turning will she be exactly southeast of where she started?<BR>\n" );
document.write( "Thank You </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28274 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=28274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Yes, you will have to diagram this properly, but if you do, you will have a triangle with angles 45, 115, and 20 degrees.<BR>\n" );
document.write( "Then use the law of sines...<BR>\n" );
document.write( "sin 20 / 640 = sin 45 / x<BR>\n" );
document.write( "from which you can find<BR>\n" );
document.write( "x = 1323 mi<BR>\n" );
document.write( "Divide that by 320 mph and get<BR>\n" );
document.write( "time = 4.13 hours </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );