Finding the Height of an Airplane.An aircraft is spotted by two observers who are 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. How high is the airplane?(see attached photo) III.PROBLEM SOLVING1. Finding the Height of an Airplane. An aircraft is spotted by two observerswho are 1000 feet apart. As the airplane passes over the line joining them, eachThis module is a property of Technological University of the Philippines Visayas intendedfor EDUCATIONAL PURPOSES ONLY and is NOT FOR SALE NOR FOR REPRODUCTION.91observer takes a sighting of the angle of elevation to the plane, as indicated inthe figure. How high is the airplane?351000 ftSource: Sullivan, (2012), Algebraand Trigonometry 9th Edition2. Finding the Length of a Ski Lift Consult the figure. To find the length of thespan of a proposed ski lift from P to Q, a surveyor measures z DPQ to be 25°and then walks off a distance of 1000 feet to R and measures 2 PRQ to be 15°.What is the distance from P to Q?151000 ftSource: Sullivan, (2012), Algebraand Trigonometry 9th Edition

Step:-1 Since, we know in right angle triangle tanθ=heightbase we have Using figure, we can see AD…

Answered: 1. Finding the Height of an Airplane.…

Advanced Engineering Mathematics

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ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Finding the Height of an Airplane.

An aircraft is spotted by two observers
who are 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. How high is the airplane?

(see attached photo)

III.
PROBLEM SOLVING
1. Finding the Height of an Airplane. An aircraft is spotted by two observers
who are 1000 feet apart. As the airplane passes over the line joining them, each
This module is a property of Technological University of the Philippines Visayas intended
for EDUCATIONAL PURPOSES ONLY and is NOT FOR SALE NOR FOR REPRODUCTION.
91
observer takes a sighting of the angle of elevation to the plane, as indicated in
the figure. How high is the airplane?
35
1000 ft
Source: Sullivan, (2012), Algebra
and Trigonometry 9th Edition
2. Finding the Length of a Ski Lift Consult the figure. To find the length of the
span of a proposed ski lift from P to Q, a surveyor measures z DPQ to be 25°
and then walks off a distance of 1000 feet to R and measures 2 PRQ to be 15°.
What is the distance from P to Q?
15
1000 ft
Source: Sullivan, (2012), Algebra
and Trigonometry 9th Edition

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