document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=393646>Question 393646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ship leave port and steams 100km due North. It then turns and steams 120km due East. How far is it from port now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279372 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=279372\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A ship leave port and steams 100km due North. It then turns and steams 120km due East. How far is it from port now?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Since it forms a \"right triangle\" we can apply Pythagorean theorem:<BR>\n" );
document.write( "Let d = distance<BR>\n" );
document.write( "then<BR>\n" );
document.write( "d^2 = 100^2 + 120^2<BR>\n" );
document.write( "d^2 = 10000 + 14400<BR>\n" );
document.write( "d^2 = 24400<BR>\n" );
document.write( "d = 156.20 km<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );