Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 10 - Quadratic Equations - Chapter 10 Test - Page 469: 3


The answer is below.

Work Step by Step

This problem represents a triangle with two angles of 45 degrees and one angle of 90 degrees. In this case, the hypotenuse is $\sqrt{2}$ longer than the other sides. Thus, we obtain: $$S = \frac{10}{\sqrt{2}} \approx 7$$
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