document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1132500>Question 1132500</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an aeroplane covered a distance of 320 km from airport A to airport B making an angle of 30° towards north-east. How far airport B is situated from A towards east and north. </SPAN>\n" );
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document.write( "The phrase \"30 degrees towards north-east\" is ambiguous.  It might be 30 degrees north of east, or 30 degrees east of north.<br><BR>\n" );
document.write( "In either case, the directions \"north\", \"east\", and the path of the plane form a 30-60-90 right triangle.  Since the path of the plane is 320km, the distances north and east from A to B are 160km and 160*sqrt(3)km; but we don't know which is which. </SPAN>\n" );
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