   Chapter 5.2, Problem 38E 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

Use D = 4.3 V to find the ideal viewing distance V for TV set that has a diagonal measuring 42 inches. Answer to the nearest foot.(HINT: See Example 4.)

To determine

To calculate:

The ideal viewing distance V for a TV set that has a diagonal measuring 42 inches.

Explanation

Given:

For television viewers, there is an ideal relationship between the size of the flat panel television and the distance at which the viewer watches it where D is the diagonal measure of the television set and V is the distance to the viewer, we express this relationship by the proportion D1V1=D2V2, where the ratio between DandV equal the constant of proportionality k, D=kV. In the following statement, D is measured in inches while V is measured in feet. While D measures the length of the diagonal of the TV and V is the distance from the observer to the TV

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