如图,点
在同一条直线上,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526c436fdafa6b59bc2342a61a7f6817.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/c6b72e0c-f67e-4b58-bc7b-833581e155c0.png?resizew=205)
(1)求证:
;
(2)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40982eb9923c2f058fbc4c2b24c39977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526c436fdafa6b59bc2342a61a7f6817.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/c6b72e0c-f67e-4b58-bc7b-833581e155c0.png?resizew=205)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac61f3477e623aa4f924a82bd7a06ce4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7ba51cd8d103b2af15e7186efb1fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e8c257f5615d30660cef4157c6b273.png)
更新时间:2023-12-22 18:19:39
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】如图,等边三角形
的边长为5,点P为
上的一点,点D为
上的一点,连接
、
,
.若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69d8eb559b8b616038d2e74eedcef1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cfb545e6f3a6d90eb36314676e0b55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be41b05e11ba5eadaaed9a224b949774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/b3c3b361-0f59-4b8c-92c1-00036c31acee.png?resizew=143)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
名校
【推荐2】如图,在
中,
,将
绕点A逆时针旋转得到
,点
恰好落在
上,连接
.
![](https://img.xkw.com/dksih/QBM/2022/12/18/3133704392581120/3134399697289216/STEM/445ea75c922f45ca904770cc9b22c409.png?resizew=160)
(1)填空:
______
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/2022/12/18/3133704392581120/3134399697289216/STEM/445ea75c922f45ca904770cc9b22c409.png?resizew=160)
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a39e3219369483c0f0e93954a113c887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbde67cc84757b10bb66c47cee22de1.png)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
名校
【推荐1】如图,等腰直角
中,
,点
,
在
上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/21/61b6d800-19dd-40c0-b3f0-b1b8f8129d22.png?resizew=132)
(1)将
绕点
逆时针旋转
,点
对应点为点
,画出旋转后的图形,并证明:
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1af32e267e35ef79bcb8df5d169283.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/21/61b6d800-19dd-40c0-b3f0-b1b8f8129d22.png?resizew=132)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe6d389a6c448d92b79d89bc9e8489f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff765b7e9efd4b044823c4a6c787a811.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
【推荐2】如图,已知:
,
,点
在
边上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/0405462c-a2d1-4091-8652-66771e4fa607.png?resizew=242)
(1)
和
全等吗?请说明理由.
(2)若
为
中点,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c226581e14091779321c9fe91160ceef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fbec0095282673f0ff4fb2671d387e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b6c3002405379ad151defea457a695.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/0405462c-a2d1-4091-8652-66771e4fa607.png?resizew=242)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96715995549e5e48494101570bb3bb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44f0a1547fce11cf90848d407240bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3081d405e3066e17402105ebd7d1335f.png)
您最近一年使用:0次