Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 5 - Test - Page 264: 10a


$XY=10 \sqrt 2$

Work Step by Step

Using the Special Right Triangle 45-45-90 we know that both legs will be equal. So... $XZ=ZY=10$ The third side, or the hypotenuse will be the side length times $\sqrt 2$ Therefore... $XY=10 \sqrt 2$
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