If possible, also provide the alternative solutions to solve the problems aside form the generally accepted solutions. Thanks An observer wishes to determine the height of a tower. He takes sights at the top of the tower from A and B, which are 50 feet apart, at the same elevation on a direct line with the tower. The vertical angle at point A is 30° and at point B is 40" What is the height of the tower? A. 85.60 feet B. 92.54 feet C. 110.29 feet D. 143.97 feet

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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If possible, also provide the alternative solutions to solve the problems aside form the generally accepted solutions. Thanks

An observer wishes to determine the height of a tower. He takes sights at the top of the tower from A and B, which are 50 feet apart, at the same elevation on a direct line with the tower. The vertical angle at point A is 30° and at point B is 40" What is the height of the tower?

A. 85.60 feet

B. 92.54 feet

C. 110.29 feet

D. 143.97 feet

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