An airplane leaves an airport and flies due west 170 miles and then 240 miles in the direction s 69.50°w. how far is the plane from the airport (round to the nearest mile)? image of a triangle with legs of 170 and 240 miles and a hypotenuse with unknown length. the points on the ends of the hypotenuse are entitled airport and plane. the angle opposite the hypotenuse shows a 90 degree angle and an additional south west bearing of 69.5 degrees.