   Chapter 11.2, Problem 30E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# 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.Gene redesigned the garage from Exercise 29 so that the 12-ft roof would rise 2 ft., as shown. Find the measure of angle θ To determine

To find:

To find the measure of angle θ by using the following condition,

“Gene wants to use a sloped 12-ft roof to cover an expanse that is 10 ft. wide so that the 12-ft roof would rise 2 ft.”

Explanation

Consider the following figure,

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

From the given figure the value 12 ft

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