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
$16=b^{2}$
$4=b$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
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
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
