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如图,点O为正方形ABCD的中心,BE平分∠DBC交DC于点E,延长BC到点F,...
如图,点O为正方形ABCD的中心,BE平分∠DBC交DC于点E,延长BC到点F,使FC=EC,连接DF交BE的延长线于点H,连接OH交DC于点G,连接HC.则以下四个结论中正确结论的个数为( )
①OH=
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BF;②∠CHF=45°;③GH=
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BC;④DH
2=HE•HB.
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A.1个
B.2个
C.3个
D.4个
考点分析:
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B.
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D.
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等于( )
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D.
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C.
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D.1
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D.1:1
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