如图,直线
和
相交于点O,
,
平分
.
,求
的度数:
(2)若
比
小
,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/60380ca89b244ae59af6551b5fdf25be.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/d7c3bd2ba80606021f11923df8fe2766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778d3556c2454a733a15629af5c2444f.png)
更新时间:2023-03-20 04:24:39
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,已知O为直线
上一点,
,
,
平分
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/12d48d19-0f85-41de-9ca3-cf1e7e8bcb0f.png?resizew=155)
(1)求
的度数;
(2)若
与
互余,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb6a70dd29662017ca458e43b7dd777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cc88685997c7586d1d4bf75a055433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/12d48d19-0f85-41de-9ca3-cf1e7e8bcb0f.png?resizew=155)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9425d02202600fd4b0bbbc7cc5ac54f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd5cfc1134a08462e38256529685b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92f279be7c8a11dcd2c0a97116bdcbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f5dc1d043a4909a40238ff5b590c77.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】已知点B、O、C在同一条直线上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/a61b6962-7940-43cd-974e-68092bdd7808.jpg?resizew=440)
(1)如图1,若
,
,
平分
,求
.
(2)如图2,若
与
互余,
也与
互余,请在图2中画出符合条件的射线
加以计算后,求
的度数(用含
的式子表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13ef2f1c0143b164308f1a5da982f3c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/a61b6962-7940-43cd-974e-68092bdd7808.jpg?resizew=440)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba1f04ac2b3498c50c39dfcc1e030be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7639c9377144ace567c2d0808647aa77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.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/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】(1)如图1,已知
,则
成立吗?请说明理由;
(2)如图2,已知
,BE平分
,DE平分
,BE、DE所在直线交点E,若
,
,求
的度数;
(3)如图3,已知
,BE平分
,DE平分
,BE、DE所在直线交点E,若
,
,请你求出
的度数(用含
,
的式子表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad4c90e9af0b332d856d33add121495.png)
(2)如图2,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44b58dcc8dcfa69c9955d7cfd02a1a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a70f42dccbe717bd85872938e26412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3de20ba8bda63c650ef571be155702.png)
(3)如图3,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d356fb2ad209e0933e564c343eb19fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b745b104d14c796fe555890201591b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3de20ba8bda63c650ef571be155702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/21/899139ae-58ec-430c-8da8-a515a91e081f.png?resizew=480)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】已知,
,点
在
上,点
,
在
上,点
在
,
之间,连接
,
,
,
,
,垂足为
.
(1)如图1,求证:
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/cab747db-d12e-4deb-8f19-3ed95345f417.png?resizew=158)
(2)如图2,
平分
,
平分
,
,
交于点
,求证:
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/f0e69ab0-8f1f-41f8-9ae9-7fb3ef82f472.png?resizew=195)
(3)如图3,在(2)的条件下,
平分
交
于点
,若
,请直接写出
的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/e16c9663-a143-4209-81be-9f5d8db3216d.png?resizew=208)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39addc1173a458af87ed5c5e3f06466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eafb7d0fbd52a6296c44ade26c705687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33493eb15a85cd9c628548457aa94220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)如图1,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a03f991ffd491d70a16d9bea3c68b357.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/cab747db-d12e-4deb-8f19-3ed95345f417.png?resizew=158)
图1
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e953a4a5f98c96bbe67cbaadf76d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29784b19fa797d17854a57ba822b1d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc544f31dc6cc9d28469f2dcfa913430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e9e953a4a5f98c96bbe67cbaadf76d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01e90fd2e1e4e9fcaefe6fe922bb866.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/f0e69ab0-8f1f-41f8-9ae9-7fb3ef82f472.png?resizew=195)
图2
(3)如图3,在(2)的条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97223e7c3ff2c78bdedae87a8ba66112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a2e6494cf8d2dff0746a9bb72cef43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b084478999ab946fb5ef280947beda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc544f31dc6cc9d28469f2dcfa913430.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/e16c9663-a143-4209-81be-9f5d8db3216d.png?resizew=208)
图3
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,
是
的角平分线,过点
作
交
的延长线于点
,点
在边
上,连接
交
于点
.
(1)若
,求证:
;
(2)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af620f6d204d310d8e3f267fdd6c3f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/9a95999c-5cfc-424a-9dc6-0878d849730d.png?resizew=143)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275f4725b30f6fbae45a66d24e53bb47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee73452ee4d5437f1399f1235b95e55f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12102a9f687853cb9fbdf18897248f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d29e7c4d6216690152430b09f9cf0c2.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】已知:如图AC⊥CD于C,BD⊥CD于D,M是AB的中点,连结CM并延长交BD于点F.求证:AC=BF.
![](https://img.xkw.com/dksih/QBM/2020/4/13/2440538449068032/2440741011447808/STEM/f0284ddc081842f6ad975f9dee16fc46.png?resizew=146)
您最近一年使用:0次