An aircraft is spotted by two observers who are 5000 meters apart. As the airplane passes...

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An aircraft is spotted by two observers who are 5000 meters apart. As the airplane passes over the line joining the observers, each observer takes a sighting of the angle of elevation of the airplane. The first observer sights the plane at 40 and the second observer sights the plane at 35. How far away is the airplane from the first observer? An aircraft is spotted by two observers who are 5000 meters apart. As the airplane passes over the line joining the observers, each observer takes a sighting of the angle of elevation of the airplane. The first observer sights the plane at 40 and the second observer sights the plane at 35. How far away is the airplane from the first observer?