To measure the height of an inaccessible c on the opposite sde of a river, a surveyor makes the meaturements shown in the figure below. Assume a69.3 andb-56., Fnd the height of the cf. (Round your anwer to one decimal place.)
To measure the height of an inaccessible c on the opposite sde of a river, a surveyor makes the meaturements shown in the figure below. Assume a69.3 andb-56., Fnd the height of the cf. (Round your anwer to one decimal place.)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Transcribed Image Text:To measure the height of an inaccessible c on the opposite sde of a river, a surveyor makes the meaturements shown in the figure below. Assume a69.3 andb-56., Fnd the
height of the cf. (Round your anwer to one decimal place.)
Expert Solution
Step 1
Given Data:
Angle a = 69.3°
Angle b = 56.7°
AB = 200 m
The figure with notations is shown below.
Step 2
The angle ADB is,
Substitute the values in the above equation.
The length of side AD is,
Substitute the values in the above equation.
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