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(2009•钦州)如图,在等腰梯形ABCD中,AB=DC,AC,BD交于点O,则...
(2009•钦州)如图,在等腰梯形ABCD中,AB=DC,AC,BD交于点O,则图中全等三角形共有( )
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A.2对
B.3对
C.4对
D.5对
考点分析:
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