如图,
,
,
和
相交于点
,则图中全等三角形共有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/84e445d8-fc95-4abb-ab7a-89893af2fa7f.jpg?resizew=170)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/84e445d8-fc95-4abb-ab7a-89893af2fa7f.jpg?resizew=170)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-01-23 10:59:12
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【推荐1】如图,AB是⊙
的直径,线段DC是⊙
的弦,连接AC、OD,若
于点E,
,
,则阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/2022/3/12/2934884289740800/2938070025322496/STEM/65e35390-55b9-4f02-9528-360730469653.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11c1db76cc7e1894f74a50d71736455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabecf66d94e4094f9cc46fd8ee050f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://img.xkw.com/dksih/QBM/2022/3/12/2934884289740800/2938070025322496/STEM/65e35390-55b9-4f02-9528-360730469653.png?resizew=191)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】1.如图,小亮和小明分别用尺规作
的平分线
,则关于两人的作图方法,下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/10/8b94826f-a458-493b-8d9c-4a6b82012114.png?resizew=220)
小亮的作法:以点P为圆心,任意长为半径画弧,弧分别交![]() ![]() ![]() ![]() 小明的作法:以点P为圆心,任意长为半径画弧,弧分别交 ![]() ![]() ![]() ![]() ![]() |
A.小亮、小明均正确 | B.只有小明正确 | C.只有小亮正确 | D.小亮、小明均不正确 |
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【推荐1】如图,在平行四边形
中,
,
于点
,点
、
分别是
、
的中点,连接
、
、
,下列结论:①
;②四边形
是菱形;③
;④
.其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b929269c53a44907dba8ee298a0a522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f913298f0fae9f55377a8deab9f099dd.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7de0049fa79cc57c61cb68166f5eee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ddcd5435b39971f897210aa0b66a259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34323137ddb894a70d97511aa5fe6f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4eeda91899b17d0244c7294ff41a72.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】如图,在□ABCD中,延长AB到点E,使BE=AB,连接DE交BC于点F,则下列结论不一定成立的是( )
![](https://img.xkw.com/dksih/QBM/2019/1/9/2115146931011584/2118588218916865/STEM/5e09b46e9d6c443093e3e79d9b088a1e.png?resizew=189)
![](https://img.xkw.com/dksih/QBM/2019/1/9/2115146931011584/2118588218916865/STEM/5e09b46e9d6c443093e3e79d9b088a1e.png?resizew=189)
A.∠E=∠CDF | B.BE=CD | C.∠ADE=∠BFE | D.BE=2CF |
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