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An aircraft (at C) is spotted by two observers (at A and B) who are L= 1850 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 =20° and ß= 25°, 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.)

An aircraft (at C) is spotted by two observers (at A and B) who are L= 1850 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 =20° and ß= 25°, 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.)

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section1.8: Applications And Models
Problem 4ECP: From the time a small airplane is 100 feet high and 1600 ground feet from its landing runway, the...
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An aircraft (at C) is spotted by two observers (at A and B) who are L= 1850 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 =20° and ß= 25°, 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.)
Transcribed Image Text:An aircraft (at C) is spotted by two observers (at A and B) who are L= 1850 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 =20° and ß= 25°, 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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