Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 5 - Section 5.3 - Proving Lines Parallel - Exercises - Page 233: 40

Answer

AB=4

Work Step by Step

$\frac{AB}{AD}$=$\frac{AC}{AB}$ $\frac{AB}{2}$=$\frac{8}{AB}$ AB$^2$=16 AB=4
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