如图,等腰直角
中,
,
,点
为
上一点,
于点
,交
于点
,
于点
,交
于点
,连接
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/15d1ea2a-56d8-42f5-9ab6-dd291ce01e29.png?resizew=248)
(1)若
,求证:
垂直平分
;
(2)若点
在线段
上运动.
①请判断
与
的数量关系,并说明理由;
②求证:
平分
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d461a7c0b86a2f09c2ea17f38260e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d384390f4e0a1e0abd4cc19382d94db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84be64d28b1623e71ad989f37336b1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b32d10767acd3724ce8a83f4704977d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83042953e7f15e984b2da2ee9ca678d1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/15d1ea2a-56d8-42f5-9ab6-dd291ce01e29.png?resizew=248)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a26c2c53046cbfe83f84f5393373589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6655e2fa64a32cd12fe0279afd65d73.png)
①请判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83042953e7f15e984b2da2ee9ca678d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5381b53b15127d048d0d6a7b284360f3.png)
更新时间:2024-01-26 10:02:00
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图,
为等边三角形,点F是线段
上一点(点F不与A,C重合),连接
,过点A作
,垂足为点D,将线段
绕点A顺时针旋转
得到线段
,连接
,
.
(1)求证:
;
(2)延长
交
与点M,求证:M为
的中点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5232ca3c1e0ce4064d0094502aacb063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/e01a4254-47dc-4eb5-a389-52703b894f2b.png?resizew=140)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113ac6e656002f2d110f08ed753e9e0.png)
(2)延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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,在
中,
.
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896385074102272/2936060252815360/STEM/a24d694c-967d-4582-bffd-4f7e71a60f40.png?resizew=766)
(1)如图1,取
的中点D,连接
,在
上截取
,连接
,求
的度数;
(2)如图2,分别以
为边向外作等边
和等边
,连接
交
于点K,求证:
;
(3)如图3,
垂直平分
交
于点Q,点P在线段
上运动(不与点
重合),以
为一边,在
下方作
交
的延长线于点S,请直接写出
与
之间的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2fa001e22068705be6828b45f740fa.png)
![](https://img.xkw.com/dksih/QBM/2022/1/17/2896385074102272/2936060252815360/STEM/a24d694c-967d-4582-bffd-4f7e71a60f40.png?resizew=766)
(1)如图1,取
![](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/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5357d8bbc8778d64cd38cff09ceb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
(2)如图2,分别以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc727c642cbc2181476b7dd8eca471e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f381da95a07d7f8322f5b1e1d0cb55ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d89df656dacdac503c3a566a0546236d.png)
(3)如图3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c118858379800688c993a8b61270b356.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2256bb0bc7474396bb28514f3d8262ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7efe3a73c9b952d6122687d0bd2162d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c118858379800688c993a8b61270b356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6592783d1f83c37b051221a7a3a17d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10109d34ef06c3e721fd2c7128c5b9ca.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,点E,F在BC上,
,
,
,AF与DE交于点G.
(1)求证:
.
(2)请用无刻度的直尺 画出BC的垂直平分线(保留画图痕迹).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f805768a5ffaf8bdfa4bc3b680aafdc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb27272b4eb9ed057dd3b4d40697e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4354365ca0929f8a606ed0bf341e4ca.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9da441d03aaaf554fe33d3bf8952331.png)
(2)请用
![](https://img.xkw.com/dksih/QBM/2019/5/5/2197119698288640/2197615889580032/STEM/1c29e5370254460b870e5ba7855f2cce.png?resizew=124)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知
中,
,D、E分别为AB、AC边上一点,连接BE、CD相交于O,若
时,点O在
的BC边的中线上吗?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f93040d344eade19fd2378d6829b079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/54cefd61-bcf8-49e8-906d-3d8345575021.png?resizew=99)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,⊙O的直径AB的长为10,弦AC的长为6,∠ACB的平分线交⊙O于点D.
(1)求弦BC的长;
(2)求弦BD的长;
(3)求CD的长.
(1)求弦BC的长;
(2)求弦BD的长;
(3)求CD的长.
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828540687810560/2835549670694912/STEM/912e2f2e-ae8f-44ba-a0e5-02b87b98c489.png)
您最近一年使用:0次
解答题-证明题
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适中
(0.65)
名校
【推荐2】如图,在
ABC中,AB=AC,AD⊥BC于点D,∠CBE=45°,BE分别交AC,AD于点E、F.
(1)如图1,若AB=13,BC=10,求AF的长度;
(2)如图2,若AF=BC,求证:BF2+EF2=AE2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(1)如图1,若AB=13,BC=10,求AF的长度;
(2)如图2,若AF=BC,求证:BF2+EF2=AE2.
您最近一年使用:0次