An aircraft (at Z) is spotted by two observers (at X and Y) who are L = 2000 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 = 40°, and B = 20°, how high is the airplane? %3D h B D L
An aircraft (at Z) is spotted by two observers (at X and Y) who are L = 2000 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 = 40°, and B = 20°, how high is the airplane? %3D h B D L
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 2E: Give the coordinates of each point A, B, C, D, and E. Also name the quadrant in which each point...
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Question
![An aircraft (at Z) is spotted by two observers (at X
and Y) who are L = 2000 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 = 40°, and
B = 20°, how high is the airplane?
%3D
A
Y
B.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F159ba596-6a8b-4dd1-b047-54789f82ea1f%2Fd8b111d3-ac1d-4c5e-b718-93533e77ed7c%2F1gt0tp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An aircraft (at Z) is spotted by two observers (at X
and Y) who are L = 2000 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 = 40°, and
B = 20°, how high is the airplane?
%3D
A
Y
B.
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