Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Review: 123

Answer

$H=3\sqrt {2}$ cm

Work Step by Step

The unknown length is the hypotenuse (H). The base (B) and perpendicular (P) are 3 cm each. $H^{2}=B^{2}+P^{2}$ $H^{2}=3^{2}+3^{2}$ $H^{2}=9+9$ $H^{2}=18$ $H=\sqrt {18}$ $H=\sqrt {9\times2}$ $H=3\sqrt {2}$ cm
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