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 5.4 - The Pythagorean Theorem - Exercises - Page 252: 9a



Work Step by Step

Let $b=\overline{EF}$ $17^{2}=15^{2}+b^{2}$ $289=225+b^{2}$ Subtract 225 on both sides $64=b^{2}$ $8=b$
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