#### Answer

DE= 31mm, EF= 41mm

#### Work Step by Step

Using the millimeter (mm) side of a ruler, measure from D to E as well as E to F to the nearest millimeter (mm).

Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

DE= 31mm, EF= 41mm

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