Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 5 - Section 5.4 - The Pythagorean Theorem - Exercises - Page 240: 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
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