From a hotel window 30 meters above the ground, Alan finds that the angle of elevation of the top of a monument is 10 degrees and the angle of depression of the foot of the monument is 20 degrees. What is the height of the monument?

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter7: Triangles
Section7.1: The Law Of Sines
Problem 52PS: Gina is standing near a building and notices that the angle of elevation to the top of the building...
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From a hotel window 30 meters above the ground, Alan finds that the angle of elevation of the top of a monument is 10 degrees and the angle of depression of the foot of the monument is 20 degrees. What is the height of the monument?

 

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