2. From two points each on the opposite sides of a river, the angles of elevation of the top of an 80-ft tree are 60° and30°. The points and the tree are in the same straight line, which is perpendicular to the river. How wide is the river?

Answered: Image /qna-images/answer/2553ebb5-311c-41ed-9852-310fb58c7381.jpg

Answered: 2. From two points each on the opposite…

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

Chapter1: Trigonometry

Section1.8: Applications And Models

Problem 3ECP: At a point 65 feet from the base of a church, the angles of elevation to the bottom of the steeple...

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2. From two points each on the opposite sides of a river, the angles of elevation of the top of an 80-ft tree are 60° and 30°. The points and the tree are in the same straight line, which is perpendicular to the river. How wide is the river?