#### Answer

$$c=48.826$$

#### Work Step by Step

The Pythagorean theorem states:
$$ a^2+b^2=c^2$$
Thus, we obtain:
$$ c=\sqrt{28^2+40^2}\\ c=\sqrt{2384}\\ c=48.826$$

Published by
Pearson

ISBN 10:
0-32184-874-8

ISBN 13:
978-0-32184-874-1

$$c=48.826$$

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