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(2001•绍兴)如图,梯形ABCD中,AD∥BC(AD<BC),AC、BD交于...
(2001•绍兴)如图,梯形ABCD中,AD∥BC(AD<BC),AC、BD交于点O,若
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,则△AOD与△BOC的周长比是( )
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A.1:2
B.2:3
C.3:4
D.4:5
考点分析:
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