如图所示,直线
,
,
相交于点O,
,若
,
平分
,求
的度数.
![](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/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4a26b9ab8f36629aee288b6a0fc77c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5314c97d7d17b7287a8aa7fa3663c9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277ee37179e55e305f075060ead0fe2a.png)
更新时间:2024-05-19 15:24:24
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】如图,
和
都是直角.
![](https://img.xkw.com/dksih/QBM/2023/2/24/3181671461126144/3184462158921728/STEM/d55d3e311935472ea5619be532bea319.png?resizew=193)
(1)判断
与图中哪个角相等,并简单写出理由;
(2)若
,过点O作
的平分线
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://img.xkw.com/dksih/QBM/2023/2/24/3181671461126144/3184462158921728/STEM/d55d3e311935472ea5619be532bea319.png?resizew=193)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e1e2a60c37ebc303d4fc2bf3d6a234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960c168b6e068a10b0c143baa21d57f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,
是
的平分线,
是
的平分线,
.
(1)求
得度数.
(2)如果
,求
得度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655085672c6bac837c4b54306d63cc63.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/10/4a983837-ebef-460e-9ae2-b4f1c9bd62f1.png?resizew=168)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f55c6ac896ab4277fae2230a6e10b0.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc96919f50801279ee2e368e5c80a376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐1】如图,点D,E,F分别是三角形
的边
,
,
上的点,
,
.
;
(2)若
平分
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499c1138294ecfbb0fd556802e08f6a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13d29f06d859b6c4979464852ccd07d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424269ceef173843aae76e39ecdf6111.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f34868b311f1082fb003dec7f07cdfd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d6286a4689ba0c3b3bdd9358855266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图,
为直角,
为锐角,且
平分
,
平分
,
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/b7edcfa7-7711-4a20-9740-b2d4a67a27cd.png?resizew=134)
(1)如果
,求
的度数.
(2)如果
为任意一个锐角,你能求出
的度数吗?若能,请求出来,若不能,说明为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/b7edcfa7-7711-4a20-9740-b2d4a67a27cd.png?resizew=134)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79684a6e92297749c005e2b23cac9710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】如图,AB交CD于O,OE⊥AB.
(1)若
,求∠AOC的度数;
(2)若∠AOC∶∠BOC=1∶2,求∠EOD的度数.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4c9d1c78ea9d99f16acd2200d5764d.png)
(2)若∠AOC∶∠BOC=1∶2,求∠EOD的度数.
![](https://img.xkw.com/dksih/QBM/2021/9/11/2806049436762112/2806535310098432/STEM/defc0c13-1465-42d1-a6fc-34d7a771ae81.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】图①、图②均是
的正方形网格,每个小正方形的顶点称为格点,点
、
、
均在格点上.在图①、图②中,只用无刻度的直尺,在给定的网格中按要求画图,不要求写出画法.
画与线段
互相平行的线段
,且点
在格点上.
(2)在图②中,过点
画与线段
互相垂直的线段
,且点
在格点上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15f59e7ba0ef456ddc71308dbc4a3e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/8455657dde27aabe6adb7b188e031c11.png)
(2)在图②中,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐1】如图,已知点E,F在直线AB上,点G在线段CD上,ED与FG交于点H,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/22/b620d5bb-fcb2-428b-8efd-c15745af5809.png?resizew=170)
(1)求证:
.
(2)试判断
与
之间的数量关系,并说明理由.
(3)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8cb915d433b242bd5fca1db759f35c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/22/b620d5bb-fcb2-428b-8efd-c15745af5809.png?resizew=170)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f064cfdf4cf465d354a98f3994c5d65b.png)
(2)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd1bc0388e7fad3e849ca39c67f5034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bcc81968eb5101b6849dce1e7ceada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b59874dae8b394a4e434aa3875708a.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】已知:如图,
,且
平分
,
.
.
(2)求证:
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca494eda6c2518a4152aa27e17e9d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246a86f34603eaf2e6a948681b831b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc3ef6a72ecee9efdca1f447fa243d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
您最近一年使用:0次