A tower 400 ft tall is near a shorter building, and the ground between them is horizontal. A person at the base of the tower measures a 65 degree angle of elevatoin to the top of the building. A person at the top of the tower measures a 15 degree angle of depression to the top of the building.  a) draw a diagram depicting this situation b)find the height of the building. Calculate the solution to the nearest tenth foot.

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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A tower 400 ft tall is near a shorter building, and the ground between them is horizontal. A person at the base of the tower measures a 65 degree angle of elevatoin to the top of the building. A person at the top of the tower measures a 15 degree angle of depression to the top of the building. 

a) draw a diagram depicting this situation

b)find the height of the building. Calculate the solution to the nearest tenth foot. 

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