如图,在
中,
,
,
,垂足为D.则全等三角形有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/723d3027-648e-4971-83e0-4989dc96f4f4.png?resizew=188)
![](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/d38d97f03faed3152db2fd3bd1919944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/723d3027-648e-4971-83e0-4989dc96f4f4.png?resizew=188)
A.2组 | B.3组 | C.4组 | D.5组 |
更新时间:2023-12-23 19:33:21
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【推荐1】如图,已知
,以点B为圆心,适当长为半径作弧,分别交
于D,P;作一条射线
,以点F圆心,
长为半径作弧l,交
于点H;以H为圆心,
长为半径作弧,交弧
于点Q;作射线
.这样可得
,其依据是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/8b27c6dd-b91a-42a0-a433-7a5827bec5f7.jpg?resizew=284)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d01fbc1f2db545c5bfb6d3a08a2d3f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/8b27c6dd-b91a-42a0-a433-7a5827bec5f7.jpg?resizew=284)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图是用直尺和圆规作已知角的平分线的示意图,通过判定三角形全等可说明
.则判定三角形全等的依据是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/10/bd579f17-2555-472d-8cdc-0aa978839547.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba77f66ecad8eb4a7a63f169f28a3b7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/10/bd579f17-2555-472d-8cdc-0aa978839547.png?resizew=142)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】用三角尺可按下面方法画角平分线:在已知
两边上分别取
,再分别过点
,
作
,
的垂线,两垂线交于点
,画射线
,则
平分
.作图过程用了
,那么
所用的判定定理是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/17/619ae8f9-7cee-46e5-bc8d-5f5398adac1a.png?resizew=237)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2032fccdf9ab12429aae024d67b19d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977746b7e7b28e4a9cb7d2852e722293.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/17/619ae8f9-7cee-46e5-bc8d-5f5398adac1a.png?resizew=237)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,四边形
中,
垂直平分
,垂足为E,下列结论不一定成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/be537c1c-ea48-481c-989e-e3f1b19c876b.png?resizew=149)
A.![]() | B. ![]() |
C.![]() | D.![]() ![]() |
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