Answer
The answer is attached.
Work Step by Step
This is an isosceles triangle. Recall, for an isosceles triangle, a is equal to b, and c is equal to $a\sqrt{2}$ (which is the same as $b\sqrt{2}$).
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 10 - Quadratic Equations - 10.1 - Quadratic Equations - Problem Set 10.1 - Page 443: 77
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