Answer
The height, h, is 8.
Work Step by Step
EX=DW
WX-ZY=EX+DW
WX-ZY=2EX
2EX=20-8
2EX=12
EX=6
EX$^{2}$+EY$^{2}$=YX$^{2}$
6$^{2}$+EY$^{2}$=10$^{2}$
EY$^{2}$=100-36
EY=8
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 4 - Section 4.4 - The Trapezoid - Exercises - Page 212: 19
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