Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 5 - Review Exercises - Page 262: 21



Work Step by Step

$\frac{AD}{BD}$=$\frac{EC}{BE}$ $\frac{AD}{6}$=$\frac{4}{8}$ 2AD=6 AD=3
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