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 5 - Review Exercises - Page 275: 42c



Work Step by Step

9$^2$+15$^2$=18$^2$ 306$\lt$324 If a$^2$+b$^2$$\lt$c$^2$ then it is obtuse.
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