Elementary Geometry for College Students (7th Edition) Clone

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

Chapter 6 - Review Exercises - Page 315: 13

Answer

24

Work Step by Step

(.5c)$^2$=20$^2$-16$^2$ (.5c)$^2$=144 .5c=12 c=24
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