Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 5 - Section 5.2 - Similar Polygons - Exercises - Page 236: 37

Answer

The TV should have a diagonal of $50.3''$

Work Step by Step

Let $D_1 = 32''$ and let $L_1 = 7 ~ft$ Let $L_2 = 11~ft$ We can find $D_2$: $\frac{D_2}{L_2} = \frac{D_1}{L_1}$ $D_2 = (\frac{D_1}{L_1})~(L_2)$ $D_2 = (\frac{32''}{7~ft})~(11~ft)$ $D_2 = 50.3''$ The TV should have a diagonal of $50.3''$
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