Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 5 - Section 5.5 - Special Right Triangles - Exercises - Page 247: 19

Answer

DB=10$\sqrt 6$

Work Step by Step

DE=DC$\sqrt 2$ DE=5$\sqrt 6$ DB=2DE DB=10$\sqrt 6$
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