如图,在
中,
,分别以点
,
为圆心、大于
为半径画圆弧,两弧相交于点
、
,作直线
分别交
于点
、
,连结
、
.在下列结论中:①
;②
;③
;④
,一定正确的个数有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/1/d718bd95-588d-495b-a37b-70f1f25a1786.png?resizew=157)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d452f74791f58e8400cb8d2d6038dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdba2ac1a72eea482f5578843e00357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7720a24ccafd483cffe43b95be4ee20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa3115a985b37d25d325836409c7766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deaf896af5f5a09da3e50a7964d26ba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc08baf67044328fb366669a454826a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/1/d718bd95-588d-495b-a37b-70f1f25a1786.png?resizew=157)
A.1个 | B.2个 | C.3个 | D.4个 |
更新时间:2024-03-01 11:00:49
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