Elementary Geometry for College Students (7th Edition) Clone

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

Chapter 5 - Section 5.4 - The Pythagorean Theorem - Exercises - Page 252: 9b

Answer

$\overline{EF}=4$

Work Step by Step

Let $b=\overline{EF}$ $12^{2}=(8\sqrt 2)^{2}+b^{2}$ $144=128+b^{2}$ Subtract 128 on both sides $16=b^{2}$ $4=b$
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