   Chapter 5.CR, Problem 40CR 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 the drawings, find x and y.  To determine

a)

To find:

x and y

Explanation

Given:

Calculation:

Let name the figure by ABCD.

That is,

By using tanθ formula for triangle ABC.

That is,

Opposite side is 93 and adjacent side is y.

Using 306090 triangle method, we have

tan60=93y3=93yy=933y=9

The value of y is 9

By using, cosθ formula for triangle ADC

To determine

b)

To find:

The value of x and y.

To determine

c)

To find:

The value of x.

To determine

d)

To find:

The value of x and y.

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