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  3. an aircraft (at z) is spotted by two observers (at

An aircraft (at Z) is spotted by two observers (at X and Y) who are...

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An aircraft (at Z) is spotted by two observers (at X and Y) who are L=1000 feet apart. As the airplane passes over the line joining them, each observer takes a sighting of the angle of elevation to the plane, as indicated in the figure. If A=25, and B=45, how high is the airplane?The elevation of the plane is approximately feet.(Do not round until the final answer. Then round to two decimal places as needed.)

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