如图,在
中,
,给出下列三个结论:①
;②
;③当
时,
.其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc853cb6b385d2f2c215b8acb8c1aced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aeb7d8bfd4877a9bd85b7cc69aec40a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07d6b98ecb4793c9f063f1f6b61caa19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc849980579cd8b0560d76ba78331ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c898f061882233b9d7315a397bbaaf14.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/18/0d1b03ce-e061-4d09-9365-f2ed0ffcb1d9.png?resizew=142)
A.0 | B.1 | C.2 | D.3 |
更新时间:2023-07-18 15:46:56
|
【知识点】 图形的性质
相似题推荐
单选题
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适中
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【推荐1】如图,已知点
是正方形
内的一点,连接
、
、
,如果
,
,
,则四边形
的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/590e1b22-56fc-447c-80ae-6f62ce55413b.png?resizew=133)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f713da7dce54965bbef060ad2b507e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2736c6f5b1436863983cf84cb3d27f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e60673e10b708be3e65a8c916356f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bfad3f7e65188bcf7f62ea5acdbf4a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/590e1b22-56fc-447c-80ae-6f62ce55413b.png?resizew=133)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知
是
的直径,
是
上一点且
,
是弧
的中点,
,
,垂足分别是
.下列结论:①
;②
;③
四点在同一个圆上;④
,其中结论正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/66011999-d373-4672-8349-cbe2a0312b77.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15301873a51b67db462f4d78b8bffc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/66011999-d373-4672-8349-cbe2a0312b77.png?resizew=155)
A.4 | B.3 | C.2 | D.1 |
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