Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 4 - Section 4.4 - The Trapezoid - Exercises - Page 202: 37d


DE=$\sqrt {73}$$\approx$8.5

Work Step by Step

AS=TE=3 DE$^{2}$=TE$^{2}$+TD$^{2}$ DE$^{2}$=9+64 DE$^{2}$=73 DE=$\sqrt {73}$$\approx$8.5
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