如图,在
中,
,高
与角平分线
相交于点
,
的平分线
分别交
,
于点
,
,连接
,下列结论:①
;②
;③
;④
,其中所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e58b51375b57ff98b278e7af04c8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4862047688bcd39cac840955f14af05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61725f91ee0a91e753ffe7dd0a141cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8816bddd721946b7fa96f19451d8ee6a.png)
A.①②④ | B.②③ | C.③④ | D.②③④ |
22-23七年级下·江苏南通·期末 查看更多[2]
更新时间:2024-03-05 14:58:39
|
相似题推荐
单选题
|
较难
(0.4)
【推荐1】如图,在
中,
.
与
的平分线交于点
,得
;
与
的平分线相交于点
,得
,
,
与
的平分线相交于点
,得
,则
( )
![](https://img.xkw.com/dksih/QBM/2020/3/27/2428550889103360/2432296682168320/STEM/d2725870-2055-4124-9dac-21c5a306b9d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd465973943bcd766b5275ee204bbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cd3ad5297dc83de7f5591b31c5f5e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74036e4adc6507fe736dced0ea653576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1189af2f5f84a64ba3836f1df1e9080d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c79a50a42b539b28eaf9a47094398f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc2b6b23da3e065820c15cf6c675e20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e583ed40d91c75c7f82173adf73c1cbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03958d67c8e0bae6ac332ab44a04530a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b832048aa929fbb3542f1ccfccb6fe19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485736e0f5ee8e42ab38b8e8cacf4967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf05614b86b54feac3b87eee0b1a6dcb.png)
![](https://img.xkw.com/dksih/QBM/2020/3/27/2428550889103360/2432296682168320/STEM/d2725870-2055-4124-9dac-21c5a306b9d7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】在
中,
,
的平分线交于点O,
的外角平分线所在直线与
的平分线相交于点D,与
的外角平分线相交于点E,则下列结论一定正确的是( )
;②
;③
;④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ebe4c425939ccbf0ff723d8c2468da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2217de2d19252626acd34637378d194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51928e6ead15cef8cdb3d871fe144c52.png)
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A.①②④ | B.①②③ | C.①② | D.①②③④ |
您最近一年使用:0次
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【推荐1】如图以直角三角形ABC的斜边BC为边在三角形ABC的同侧作正方形BCEF.设正方形的中心为O,连接AO,如果
,
,则AC的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/30/5b9a1478-e4c2-4fb1-acd5-c715e57be921.png?resizew=119)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e13d34d32fe892f4306dd62074a9bf3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/30/5b9a1478-e4c2-4fb1-acd5-c715e57be921.png?resizew=119)
A.13 | B.14 | C.15 | D.16 |
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【推荐2】如图,在等腰
中,
,
,点D是线段
上一点,
,点P是
延长线上一点,点O是线段
上一点,
,下面的结论:①
;②
;③
;④
,其中正确的个数有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/371b79fe-f78f-4165-8bf2-3987757e1fe6.png?resizew=225)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
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【推荐1】如图,A,C,E三点在同一直线上,
,
都是等边三角形,
与
交于点
,
与
交于点
,
与
交于点
,连接
,
,下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/7d946691-cd5f-48e8-bcd8-188679b8db8c.png?resizew=224)
①
;②
是等边三角形;③
平分
;④
;⑤
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/7d946691-cd5f-48e8-bcd8-188679b8db8c.png?resizew=224)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4db192a176978a1240d931677724694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87b2f781cafa7989d81f9bf8c42b150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e5c088a90d0f4052fc92dd9b7addf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb8063b6d42293e9946d0d00650f7f9.png)
A.①③④⑤ | B.②③④⑤ | C.①②③④ | D.①②③④⑤ |
您最近一年使用:0次
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【推荐2】在平面直角坐标系
中,点A,B分别在x,y轴的正半轴上,始终保持
,以
为边向右上方作正方形
交于点P,连接
.下列结论:(1)直线
的函数表达式为
;(2)
的取值范围是
;(3)若
,则B点的坐标为
,(4)连接
,则
的最大值为
.其中正确的个数是( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34333fc028a631fab2c63167a1fbd7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984f74e5ff620dc16c5c60f87fb77072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db5a386eab1d7b6822efc6916765a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033fdda972ba651e937e4fafe6ece4a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d613a2f9409ae51cd3ef642f12f6c33.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/3c0896e4-bd64-42a3-88c3-2b778dfd3dfb.png?resizew=140)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次