   Chapter 11.2, Problem 34E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

In Exercise 29 to 37, angle measures should be given to the nearest degree; distances should be given to the nearest tenth of a unit.Dale looks up to see his friend Lisa waving from her apartment window 30 ft. from him. If Dale is standing 10 ft. from the building. What is the angle of elevation as Dale looks up at Lisa?. To determine

To find:

The angle of elevation as Dale looks up at Lisa by using the following condition,

“Dale looks up to see his friend Lisa waving from her apartment window 30 ft. from him. If Dale is standing 10 ft. from the building”

Explanation

Consider the following figure,

General formula for cosine ratio and sin ratio is given below,

From the given figure the value 30 ft

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