如图,
与
相切于点F,
与
交于C、D两点,
,
于点E,且
经过圆心O,连接
,若
,
,则
的长为( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b937442ad4cc480adc11bb143559454.png)
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更新时间:2024-05-08 14:49:56
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【推荐1】如图,点A坐标为
,直线
分别交x轴,y轴于点N,M,点B是线段MN上一点,连结AB.现以AB为边,点A为直角顶点构造等腰直角
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【推荐2】如图,在平行四边形ABCD中,DE平分∠ADC,BE=2,DC=4,则平行四边形ABCD的周长为( )
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【推荐1】如图1,在菱形
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【推荐2】如图,在矩形
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【推荐2】下列语句中,正确的有( )
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③长度相等的两条弧是等弧;④平分弦的直径垂直于弦,并且平分弦所对的弧;
①相等的圆心角所对的弧相等;②圆内接四边形的对角互补;
③长度相等的两条弧是等弧;④平分弦的直径垂直于弦,并且平分弦所对的弧;
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【推荐2】如图,在
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