   Chapter 11.CT, Problem 7CT 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 drawing provided, find the value of a to the nearest whole number. To determine

To find:

The value of a to the nearest whole number.

Explanation

Procedure used:

In a right triangle, the sine ratio for an acute angle is the ratio oppsite sidehypotenuse.

Given:

The diagram as below

Calculation:

From the diagram, hypotenuse = 20 m, opposite side = a and the angle is 430.

Using the calculator, in the degree mode on entering 43 sin, we get the nearest value of sin430is 0.6820

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