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 P - Preliminary Concepts - Chapter P Review Exercises - Page 29: 30

Answer

a) 4 b) 7

Work Step by Step

To use the ruler, we subtract the smaller measurement at one end of the ruler from the larger measurement at the other end of the ruler. Doing this, we find: Case A: $$ EF=6-2 \\ EF=4 $$ Case B: $$ GH=7.5 -.5 \\ GH =7$$
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