Answer
EF=14
Work Step by Step
AB=BC
2x+3=x+7
x=4
DE=EF=3x+2
EF=3(4)+2
EF=14
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 4 - Section 4.4 - The Trapezoid - Exercises - Page 210: 25
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