document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=993958>Question 993958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two ships leave a dock at the same time at an angle of 45 degrees from one another. One sails at a rate of 40 mph, the other at 35 mph. How far apart are they in 2 hours time? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #613140 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=613140\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the law of Cosines and draw it.<BR>\n" );
document.write( "One leg is 80 (2 hours at 40 mph), the other 70, and the enclosed angle is 45 degrees.\r<BR>\n" );
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document.write( "c^2=a^2+b^2-2abcosC; Cos C=sqrt(2)/2<BR>\n" );
document.write( "c^2=6400+4900-2(80)(70)*sqrt(2)/2<BR>\n" );
document.write( "=3380.4 mi^2<BR>\n" );
document.write( "c=58.14 miles </SPAN>\n" );
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