1. Anthony wished to find the width of a river. He observed a tree directly across the river on the opposite bank. The angle of elevation to the top of the tree was 30°. Then Anthony moved directly back from the bank 60 meters and found that the angle of elevation to the top of the tree was 25°. What is the width of the river?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Trigonometric Functions: Right Triangle Approach
Section5.CR: Chapter Review
Problem 28E
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credits, box the final answer:
1. Anthony wished to find the width of a river. He observed a tree directly
across the river on the opposite bank. The angle of elevation to the top of
the tree was 30°. Then Anthony moved directly back from the bank 60
meters and found that the angle of elevation to the top of the tree was
25°. What is the width of the river?
Transcribed Image Text:credits, box the final answer: 1. Anthony wished to find the width of a river. He observed a tree directly across the river on the opposite bank. The angle of elevation to the top of the tree was 30°. Then Anthony moved directly back from the bank 60 meters and found that the angle of elevation to the top of the tree was 25°. What is the width of the river?
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