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Unformatted text preview: Use the most appropriate formula to find the area of each triangle. Show your work and give your reason for choosing each formula. Vectors 11. The airplane is headed ±²³´±µ at a speed of 500 mph. The plane encounters a wind with a velocity of 70 mph in the direction ± ±¶·´±¸ . What are the resultant speed and direction of the plane? 12. An airplane is flying in the direction ¹±²º´±¸ , with an airspeed of 875 km/h. Because of the wind, its groundspeed and direction are 800 km/h and ¹±¶³´±¸ , respectively. Find the direction and speed of the wind. Ch_6 Page 2 Ch_6 Page 3...
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 Spring '11
 byrns
 Math, Pythagorean Theorem, Law Of Cosines, Law of sines, triangle

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