如图,在
中,点
在
边上,
.过点
分别作
,
,垂足分别为
、
.在
的延长线上取一点
,连接
,使得
.
(1)求证:
;
请将下面的证明过程补充完整:
证明:
,
,
. (________)
在
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d491bffc75aadc52952a955c47f46a.png)
(________)
同理,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128956d83f2c2210e8e1203a1e392134.png)
,
________. (________)
,
________ (________)
. (________)
(2)图中与
相等的角是________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbbf470efc0ca30e0f5bbc5cb5bad1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd657e48b15b9b54a55817e2c26b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.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/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5467950cbd27720b850d713c766916.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/12/fd7645e0-2e6a-458a-b82c-df7291d61ebc.png?resizew=203)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec7dc61a44423eaa8a64770d02f893c.png)
请将下面的证明过程补充完整:
证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eb99b9e958d06554e5877f3d105c1ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdef244e4b17fad6885317f26512b8ed.png)
在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5389ce9a9c4f512d47c785ec3439b52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d491bffc75aadc52952a955c47f46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93027e5e3e9e6ed1b34500235e9623fa.png)
同理,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/128956d83f2c2210e8e1203a1e392134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de76380dea9e8d7f413bb6bb3921716b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf6a2fe4ad6f0f4f7944b06c04fa581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd2e17edf06f046319aa3f003a1cb8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299e3e62a4455ba77d3c7e402d4ac50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8983ed66df3dedb6f1e0f43c00973b.png)
(2)图中与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7a82bf203df79ba6c0ef80026198d1.png)
更新时间:2023-06-08 11:16:02
|
【知识点】 根据平行线判定与性质证明
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【推荐2】如图,AB⊥EF于点B,CD⊥EF于点D,∠1=∠2.
(1)请说明AB∥CD;
(2)试判断BM与DN是否平行,为什么?
(1)请说明AB∥CD;
(2)试判断BM与DN是否平行,为什么?
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