如图,在
ABC中,AB=BC=AD,BD=CD,求∠ABC的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/b2d06825-199d-4224-89c2-6eae9a0583b3.png?resizew=220)
20-21八年级上·内蒙古呼伦贝尔·期末 查看更多[2]
更新时间:2021-03-22 14:59:44
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】如图,AD是
的外角∠CAE的平分线,∠B=30°,∠DAE=55°,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/3/cb20f16e-e006-4f16-8af4-c3a663618bb6.png?resizew=165)
试求:(1)∠D的度数;
(2 )∠ACD的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/3/cb20f16e-e006-4f16-8af4-c3a663618bb6.png?resizew=165)
试求:(1)∠D的度数;
(2 )∠ACD的度数.
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,直线
、
交直线
于点
、
,过
上的点
作
于点
,若
,
,判断直线
、
是否平行?并说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.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/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6303a11d0f57aa39e4ca8f9423508de2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5dcbafd8b9f1f570b329534dae9b5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93054250a9e9916270e47f30f5ae2bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/9141299e-ce65-40f7-ac1d-d4bb93a0f73f.png?resizew=153)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐1】如图,在平行四边形
中,
,
分别是边
,
上的点,且
.
(1)求证:
;
(2)连接
,若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.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/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc0d577af85108c07064a91e7c05070.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/18/13c81968-8e64-4f39-8543-6a089467fa52.png?resizew=210)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbf7fa3306cf98c5d9e3e98776c0934.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff575e55857af133edb24c8e61504f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097fb79e0aef4bc5ff4c1e717b016ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38e8e983be0b8b3a4dcd12c698def00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9184769fa5ffff059239f963e2a5ac4f.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】如图在△ABC中,∠ACB=90°,∠B=30°,AD平分∠CAB,延长AC至E,使CE=AC,连结DE.求证:△BAD≌△EAD.
![](https://img.xkw.com/dksih/QBM/2020/12/8/2609596456615936/2613519246835712/STEM/466b2ca0-9387-4845-980a-164ed1da9f3d.png?resizew=172)
您最近一年使用:0次