Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - 12.5 Use Recursive Rules with Sequences and Functions - 12.5 Exercises - Mixed Review - Page 833: 50


$$2\sqrt6 \ ft $$

Work Step by Step

Using the Pythagorean theorem, we find: $$a=\sqrt{c^2-b^2} \\c=\sqrt{9^2+5^2} \\ a=2\sqrt6$$
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