题型:单选题
难度:0.85
引用次数:106
题号:17940042
如图,
为
的弦,点P在弦
上,
,
,点O到
的距离为3,则
长为( )
![](https://img.xkw.com/dksih/QBM/2023/1/9/3148833041653760/3155497967886336/STEM/543399b5be434fb499c9f18be4fb4d15.png?resizew=118)
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2b5060e1311f27bcbde24dac84db8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbb2dce15f3d0fe839688575d2a8ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://img.xkw.com/dksih/QBM/2023/1/9/3148833041653760/3155497967886336/STEM/543399b5be434fb499c9f18be4fb4d15.png?resizew=118)
A.3 | B.4 | C.![]() | D.![]() |
更新时间:2023-01-18 15:39:57
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