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(2002•山西)如图,BC是⊙A的内接正十边形的一边,BD平分∠ABC交AC于...
(2002•山西)如图,BC是⊙A的内接正十边形的一边,BD平分∠ABC交AC于点D,则下列结论不成立的是( )
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A.BC=BD=AD
B.BC
2=DC•AC
C.△ABC的三边之长为1:1:
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D.BC=
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AC
考点分析:
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