Answer
XY=6+6$\sqrt 3$
Work Step by Step
XY=$\frac{1}{2}$XZ+$\frac{1}{2}$XZ$\sqrt 3$
XY=6+6$\sqrt 3$
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 5 - Section 5.5 - Special Right Triangles - Exercises - Page 259: 21
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