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如图,在等腰梯形ABCD中,BC∥AD,AD=5,DC=4,DE∥AB交BC于点...
如图,在等腰梯形ABCD中,BC∥AD,AD=5,DC=4,DE∥AB交BC于点E,且EC=3,则梯形ABCD的周长是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193659991028396/SYS201311011936599910283008_ST/images0.png)
A.26
B.25
C.21
D.20
考点分析:
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