2. The post office building in Manila is 21.8 meters away from the southern bank of the Pasig River. From a window of the building 18.5 meters above the ground, a man finds that the angle of depression of the northern bank is 8°12'. What is the width of the river at this point?
2. The post office building in Manila is 21.8 meters away from the southern bank of the Pasig River. From a window of the building 18.5 meters above the ground, a man finds that the angle of depression of the northern bank is 8°12'. What is the width of the river at this point?
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:2. The post office building in Manila is 21.8 meters away from the southern bank of the Pasig River. From a
window of the building 18.5 meters above the ground, a man finds that the angle of depression of the
northerm bank is 8°12'. What is the width of the river at this point?
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