Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 4 - Review Exercises - Page 218: 32b



Work Step by Step

If $AB=5$ and $BC=12$, and $\angle B$ is a right angle, then $\triangle ABC$ is a right triangle with leg lengths of 5 and 12. Using The Pythagorean Theorem... $5^{2}+12^{2}=c^{2}$ $25+144=c^{2}$ $169=c^{2}$ $c=13$ $AC=13$
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