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: 10b

Answer

DF$\approx$13.4

Work Step by Step

DF$^2$=DE$^2$+EF$^2$ DF$^2$=144+36 DF=$\sqrt {180}$ DF$\approx$13.4
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.