已知
,
,
是等圆,
内接于
,点C,E分别在
,
上.如图,①以C为圆心,
长为半径作弧交
于点D,连接
;②以E为圆心,
长为半径作弧交
于点F,连接
;下面有四个结论:①
;②
;③
;④
,所有正确结论的个数是( )
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710058195361792/2717372882239488/STEM/ccd1098d-4307-4420-8937-c53e7d589b69.png?resizew=546)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0385df6c7f8ee7ab503b6ed35933695b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd73875650e1538c4c61d5e16d3db29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e86193eb11015543ddb6cc7ef8f26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0385df6c7f8ee7ab503b6ed35933695b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd73875650e1538c4c61d5e16d3db29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e86193eb11015543ddb6cc7ef8f26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd73875650e1538c4c61d5e16d3db29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e86193eb11015543ddb6cc7ef8f26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e436e8db81bea40afaac026de7a36a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fa0e1c9d68438a00d1af6de56a95bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28fa5e65f8ed752bf4f637532a06ca6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce75097069b3789bc7375b2fb9cf0d3.png)
![](https://img.xkw.com/dksih/QBM/2021/4/29/2710058195361792/2717372882239488/STEM/ccd1098d-4307-4420-8937-c53e7d589b69.png?resizew=546)
A.1个 | B.2个 | C.3个 | D.4个 |
2021·广东深圳·模拟预测 查看更多[3]
更新时间:2021-05-09 15:32:11
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