如图,在平行四边形
中,点
在
的延长线上,点
在
的延长线上,满足
.连接
,分别与
交于点
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c46c696ff5f123a482bae81cf9a1b570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0f067a2a348ceb24a408f82992eab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3553eb04f1cbc5500cbf04e9b4b7de6.png)
22-23八年级下·福建龙岩·期中 查看更多[4]
福建省龙岩市永定区2022-2023学年八年级下学期期中数学试题安徽省六安市金安区安徽省六安皋城中学2022-2023学年八年级下学期期末数学试题安徽省六安市皋城中学2022-2023学年八年级下学期期末数学试题(已下线)专题06 平行四边形8种常考题型归类【好题汇编】-备战2023-2024学年八年级数学下学期期末真题分类汇编(安徽专用)
更新时间:2023-09-02 16:45:11
|
相似题推荐
解答题-证明题
|
较易
(0.85)
【推荐2】如图,在四边形
中,
,E是
延长线上一点.求证:
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/18/86a4c819-7ee3-42f0-b06a-bbebe290f667.png?resizew=173)
(1)请将下面的证明过程补充完整:
证明:∵
,
∴
_____________( ).
∵
,
∴_____________( ).
∴
.
(2)请根据题目条件,用与(1)不同的方法证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69abbd5ba85254a91894328c19608740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1393308bc68322f50fa29702dd412263.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/18/86a4c819-7ee3-42f0-b06a-bbebe290f667.png?resizew=173)
(1)请将下面的证明过程补充完整:
证明:∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceb5cc71fc50f20649f6b9535fd914.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8ef58be8708144272538ee427fb92c.png)
∴_____________( ).
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1393308bc68322f50fa29702dd412263.png)
(2)请根据题目条件,用与(1)不同的方法证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1393308bc68322f50fa29702dd412263.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】如图,在
中,
于点D,
于点E,
、
相交于点H,
.试说明:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/86ff624f-3a87-4896-be54-80fb327ebe53.png?resizew=138)
(1)
.
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a42aa1411641635b6762a3ab8e1bc023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3826a492e6fc0aabbf5423b3fd12957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a333baca40bc56a8e66fd32aef9f2a30.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/86ff624f-3a87-4896-be54-80fb327ebe53.png?resizew=138)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28dcc2f5723be87aec6fd814194d7747.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1189af843958c750dedf9d97e501c634.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,
的对角线
交于点O,点E在边
的延长线上,连接
,且
,
.求证:四边形
是矩形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d578394cd8e4d7a705599269c512960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c65319e9026d1db4d468f69fd8f9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d814a102121c96ec711db7d420d2659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/10/ef45c88f-378f-49f4-9168-6c808cd166b8.png?resizew=207)
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,在
中,点E,F分别在
和
上,
.求证:四边形
是平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.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/92034dd2bb9480b18709d01153467f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3c15b30bd155641e548a7d8c172dd4.png)
![](https://img.xkw.com/dksih/QBM/2021/10/20/2833507876601856/2841800493957120/STEM/a6ca5d42b1b245a89509106b5c057a4f.png?resizew=176)
您最近一年使用:0次