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 6 - Review Exercises - Page 315: 24h



Work Step by Step

CD(CD+ED)=AC(BC) CD$^2$+12CD=45 CD$^2$+12CD-45=0 (CD+15)(CD-3)=0 CD=3
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