document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168650>Question 1168650</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane travelling at an airspeed of 500km/h and a heading of 225 degrees encounters a wind blowing at 40km/h from 180 degrees. Determine the airplane's velocity with respect to the ground to the nearest degree and the nearest kilometre per hour.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793427 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=793427\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An airplane travelling at an airspeed of 500km/h and a heading of 225 degrees encounters a wind blowing at 40km/h from 180 degrees. Determine the airplane's velocity with respect to the ground to the nearest degree and the nearest kilometre per hour.<BR>\n" );
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document.write( "It's a triangle.<BR>\n" );
document.write( "One side is 500, the other is 40<BR>\n" );
document.write( "The included angle is 45 degs.<BR>\n" );
document.write( "Use the cosine law to find the 3rd side, then the Law of Sines. </SPAN>\n" );
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