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A plane leaves an airport and flies 170km at 68° east of north and changes direction to fly 230km at 48° south of east after in which it makes an emergency

landing.the airport sends a rescue.in which direction and how far should the rescue fly to go to the plane.


X^2=230^2+170^2-2(230)170cos70: x=234.63kph. direction=89dgres north of east..
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