Answer
WX=33
Work Step by Step
EX$^{2}$=YX$^{2}$-YE$^{2}$
EX$^{2}$=10$^{2}$-8$^{2}$
EX$^{2}$=100-64
EX=6
WD$^{2}$=WZ$^{2}$-ZD$^{2}$
WD$^{2}$=17$^{2}$-8$^{2}$
WD$^{2}$=289-64
WD=15
ZY=DE
WX=WD+DE+EX
WX=WD+ZY+EX
WX=15+12+6
WX=33
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 4 - Section 4.4 - The Trapezoid - Exercises - Page 209: 20
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