1 . 如图,在
中,
和
的角平分线交于点
,
经过点
与
交于
,以
为边向两侧作等边
和等边
,分别和
,
交于
,
连接
.若
,
,
,
.则下列结论中正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/25/2986847800180736/2989199145877504/STEM/f3e147d4-606e-499b-9de7-6e44dfd7a973.png?resizew=262)
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441dec590b47adc3678a291a3ec89a4a.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c87eb3ed1ee03bb5426d1a1ff1cde70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d42e97eee705d164e6ac6de9ecd6d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df81cda12d7601d58b1d9c7c180c4d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23aebbdf114b0c5e604a0323a3152469.png)
![](https://img.xkw.com/dksih/QBM/2022/5/25/2986847800180736/2989199145877504/STEM/f3e147d4-606e-499b-9de7-6e44dfd7a973.png?resizew=262)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() |
您最近一年使用:0次
2 . 如图,在□ABCD中,CD=2AD,BE⊥AD于点E,F为DC的中点,连结EF,BF.下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/4/28/2968003536273408/2969378780512256/STEM/20419ff3-9feb-4c86-8df7-3104063e2e1b.png?resizew=292)
![](https://img.xkw.com/dksih/QBM/2022/4/28/2968003536273408/2969378780512256/STEM/20419ff3-9feb-4c86-8df7-3104063e2e1b.png?resizew=292)
A.∠ABC=2∠ABF | B.EF=BF | C.S四边形DEBC=2S△EFB | D.∠CFE=4∠DEF |
您最近一年使用:0次