题型:单选题
难度:0.85
引用次数:3
题号:22301788
如图,在
中,
,
,
,
,
分别为
,
,
的中点,若
,则
的长度为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/6d6c2325-5195-4fb3-8525-25b8ffd34316.png?resizew=108)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/6d6c2325-5195-4fb3-8525-25b8ffd34316.png?resizew=108)
A.![]() | B.1 | C.![]() | D.![]() |
更新时间:2021-06-14 23:09:59
|
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【推荐2】如图3,四边形ABCD是⊙O的内接四边形,∠B=90º,∠A=60º,AB=3,CD=2,则AD的长为( )
![](https://img.xkw.com/dksih/QBM/2022/4/26/2966632773361664/2968505829343232/STEM/34a8b395-e83c-4c4a-817e-7af28a72aded.png?resizew=158)
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【推荐1】已知点D、E、F分别为△ABC各边的中点,若△DEF的周长为24 cm,则△ABC的周长为( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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