在平行四边形
中,点E在
上,点F在
上,连接
、
、
、
,
.
![](https://img.xkw.com/dksih/QBM/2022/12/29/3141288286044160/3170900406902784/STEM/f82b9be1b8b341e5bbce3aa9ccfa0202.png?resizew=317)
![](https://img.xkw.com/dksih/QBM/2022/12/29/3141288286044160/3170900406902784/STEM/4178b47689534675a7064b99d72856ae.png?resizew=316)
(1)如图1,求证:四边形
是平行四边形
(2)如图2,若E是
的中点,连接
,在不添加任何辅助线的情况下,请直接写出图2中以
为边的平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82636b87f9b3636cd55d0af11ad4cc39.png)
![](https://img.xkw.com/dksih/QBM/2022/12/29/3141288286044160/3170900406902784/STEM/f82b9be1b8b341e5bbce3aa9ccfa0202.png?resizew=317)
![](https://img.xkw.com/dksih/QBM/2022/12/29/3141288286044160/3170900406902784/STEM/4178b47689534675a7064b99d72856ae.png?resizew=316)
(1)如图1,求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466a12cf2d11494ec4f7173e904932a9.png)
(2)如图2,若E是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
2018·黑龙江哈尔滨·三模 查看更多[9]
黑龙江省哈尔滨十七中学2018届九年级三模数学试题哈尔滨市十七中2017—2018下学期初四校级三模数学试题浙江省衢州地区2018-2019学年八年级下学期期中数学试题黑龙江省哈尔滨市南岗区第十七中学2022-2023学年九年级上学期开学考数学试卷黑龙江省哈尔滨市德强学校2022-2023学年九年级上学期基础测试(八)数学试卷黑龙江省哈尔滨市第六十九中学校2022-2023学年九年级上学期数学10月综合卷黑龙江省哈尔滨市第一0七中学校2022-2023学年九年级上学期11月学情测试数学(五四制)学科试卷2023年黑龙江省哈尔滨市松雷中学中考二模数学试题(已下线)2023年哈尔滨二模(全等综合)
更新时间:2023-02-09 09:56:18
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图,
,
是
的中点,连接
并延长交
的延长线于点
.
(1)求证:
.
(2)若
,
,
,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/82abfead-3490-4d27-8693-439cfea6ec88.jpg?resizew=140)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be3e44d0d1b09852c99af6b1566ca14.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f78015d1cce755eae8a2db74106902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1496042c1d721cffd25053e997a9a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,直线
,直线
与
交于点M、N,
分别是
和
的角平分线,
交
于点F,过点N作
交
与点G.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/ece7df15-c05d-4b89-a97c-c9cd69073461.png?resizew=174)
(1)求证:
;
(2)连接
,在
上取点H,使
,作
的角平分线
交
于点P, 求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcf86f7cf381c563ad80af86feeed83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259ddfd0c407de5de323033cac5c3393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7098c45594103b46e6b57cfc6023e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b18578bc75bf971b8337c35a2db5fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d8e33929752b1cb4dd36ee9b98b45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68c091d6b85e6c98e6a21c8085990b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/11/ece7df15-c05d-4b89-a97c-c9cd69073461.png?resizew=174)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18afbb291e1ef143fd464c7929b9b0ec.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a459f78e4a3516d8a8535290ede7f386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc56d569d01f49141c3d764fba08f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e90b61b597057c8d4a99714d79e119e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e8498021ae155bfba708d18ca8eb31e.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】在
中,
,
为
的角平分线,点E是
边的中点.过点E作
延长线的垂线,垂足为点G,交
于点F,交
的延长线于点H.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/514ec9b3-cbca-46ce-bff5-1616306a85b6.png?resizew=202)
(1)求证:
;
(2)探究:在线段
上是否能找到一点P,使得
.如果能够,请找出并证明之;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc2f5f6d9efe3852a2329ea927abcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/514ec9b3-cbca-46ce-bff5-1616306a85b6.png?resizew=202)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31c0e1d128a6e54cc5c7cfe0b2ac2db7.png)
(2)探究:在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e41e13180bc70b101e7ba4d763be1f.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9206cf234b2b7b01030fb29bf1e566b9.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,在
中,点O是
的中点,连接
并延长交
的延长线于点E,连接
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/4c622f03-2f19-4573-8aa0-14aa1e8e0d78.png?resizew=198)
(1)求证:四边形
是矩形;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589ddae20626f9aaac616d2a3b5d95bd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/4c622f03-2f19-4573-8aa0-14aa1e8e0d78.png?resizew=198)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d54cbbf601f4583659771eb534997.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48669e0757c2cd37a7bc4cd535ec3465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图1,在
中,
,
,
是等边三角形,点E是
的中点,连接
并延长,交
于点F,若
.
(1)直接写出
的长;
(2)猜想四边形
的形状,并说明理由;
(3)如图2,将四边形
折叠,使点D与点C重合,
为折痕,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabecf66d94e4094f9cc46fd8ee050f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/2/d905ec5f-9587-432c-b309-2084f10fb4a8.png?resizew=258)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
(2)猜想四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88683222fc878adcf35bc4ea732d131c.png)
(3)如图2,将四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1003c2b33b7c62519e8e2c59b19ffd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f0b7ac8f962c3a9fb4e5c747997d18b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82d4a8c194ec5f2392660f57b52ab1f.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,在
中,点O是
的中点,连接
并延长交
的延长线于点E,连接
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/4c622f03-2f19-4573-8aa0-14aa1e8e0d78.png?resizew=198)
(1)求证:四边形
是矩形;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589ddae20626f9aaac616d2a3b5d95bd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/4c622f03-2f19-4573-8aa0-14aa1e8e0d78.png?resizew=198)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d54cbbf601f4583659771eb534997.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48669e0757c2cd37a7bc4cd535ec3465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次