Answer
$6\sqrt{2} $
Work Step by Step
Regardless of whether or not it is a right triangle, the legs of an isosceles triangle are $\frac{\sqrt{2}}{2} $ as long as the hypotenuse. Thus:
$ l = 12 \times \frac{\sqrt{2}}{2} = 6\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 - Chapter 10 Review Problem Set - Page 468: 31
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