Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 5 - Section 5.5 - Special Right Triangles - Exercises - Page 257: 1b

Answer

$AB=a\sqrt 2$

Work Step by Step

By (45-45-90 Theorem) $AB=a\sqrt 2$
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