如图,在四边形
中,
,对角线
的垂直平分线与边
、
分别相交于点M、N,连接
、
.
是菱形;
(2)若四边形
的周长为52,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a796e9136e2e6e7ecbdc245c242018.png)
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a796e9136e2e6e7ecbdc245c242018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b02c51ce96d326f33c430cc884ea00b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
22-23九年级上·陕西汉中·期末 查看更多[11]
陕西省汉中市汉台区2022-2023学年九年级上学期教学质量检测评估试卷(已下线)2023年陕西省渭南市中考数学第一次模拟考试卷(已下线)江苏省泰州市姜堰区实验初级中学2022-2023学年八年级下学期数学独立作业3.14(已下线)18.2.2 菱形-2022-2023学年八年级数学下册《考点·题型·技巧》精讲与精练高分突破系列(人教版)广西南宁市新民中学2022—2023学年下学期九年级第一次月考数学试题江西省宜春市宜丰县宜丰中学2022-2023学年八年级下学期3月月考数学试题(已下线)(培优特训)专项5.1 菱形综合高分必刷题-2022-2023学年八年级数学下册《同步考点解读·专题训练》(浙教版)吉林松原市前郭县三校名校调研2022-2023学年八年级下学期期末数学试题江苏省常州市钟楼区北郊初级中学2022-2023学年八年级下学期期中数学试题吉林省四平市伊通满族自治县五校2022-2023学年八年级下学期6月月考数学试题(已下线)江苏省八年级下学期期中必刷基础60题(35个考点专练)-2023-2024学年八年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(苏科版)
更新时间:2023-02-13 14:01:47
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相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图所示,在
中,
平分
平分
.
是平行四边形:
(2)如图2,连接
,当
为
中点时,若
,求出
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea417c7356fffccbbab652cb10a5859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3c15b30bd155641e548a7d8c172dd4.png)
(2)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.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/e1d12da01525f760152ee7d7b3ce01e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
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解答题-证明题
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适中
(0.65)
【推荐2】如图1,在平行四边形
中,
,
,点E为对角线
上一动点,连接
,将
绕点D逆时针旋转
得到
,连接
.
;
(2)若
所在的直线交
于点M,求
的长度;
(3)如图2,当点F落在
的外部,构成四边形
时,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d66526eaa2d194cca107fedb09c7802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93380ab8eccc6e6f11bdf19ffc2d4cd0.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a2e63e2e76266d606946a11c1d75de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
(3)如图2,当点F落在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0024de04cde3ffe2a7fba244cc09507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0024de04cde3ffe2a7fba244cc09507.png)
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解答题-作图题
|
适中
(0.65)
名校
【推荐1】在学习了第18章特殊平行四边形之后,老师给班级同学出了一道思考题.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/10/127f39b2-8ffa-462f-8aed-11b33a7fc687.png?resizew=184)
小明经过思考后,给出了自己的作法:
①连接
,
,相交于点
;
②连接
并延长交
的延长线于点
;
③连接
,四边形
即为所求作的菱形.
根据小明的设计,完成下面问题:
(1)补全图形;
(2)证明四边形
为菱形;
(3)若
,
,求
的长.
如图,已知![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/10/127f39b2-8ffa-462f-8aed-11b33a7fc687.png?resizew=184)
小明经过思考后,给出了自己的作法:
①连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
②连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
③连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99021bdf53077447f69f4a9aaa3ba5e.png)
根据小明的设计,完成下面问题:
(1)补全图形;
(2)证明四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99021bdf53077447f69f4a9aaa3ba5e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cfa5651c2e3ddc9a59ef514714039c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
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解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知平行四边形的两邻边的长m,n分别是关于x的一元二次方程
的两个实数根.
(1)求k的取值范围;
(2)当k为何值时,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)当k为何值时,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e483f50a009f2f66b269528e213756e6.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
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适中
(0.65)
【推荐1】如图,四边形ABCD是菱形,点M、N分别在AB、AD上,且BM=DN,MG∥AD,NF∥AB,点G、F分别在CD、BC上,MG与NF相交于点E.
求证:ME=NE.
求证:ME=NE.
![](https://img.xkw.com/dksih/QBM/2022/4/7/2953084991266816/2953650271059968/STEM/784a59dfbf8d4cc9a2a0d1a9bfd06938.png?resizew=134)
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解答题-证明题
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适中
(0.65)
名校
【推荐2】如图,在等腰
中,
,分别以
和
为斜边,向
的外侧作等腰直角三角形,
于点
,
于点
,
是
的中点,连接
,
,
,
.
证明:(1)四边形
为菱形;
(2)
.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa30a9ee227af2b387cf6e028c20d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827beb23a9fe02a8b588645bcb82ce67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce6c0e9de83f2e64ae33609fc08459d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c015d99f2677951bdcd0447240ef93.png)
证明:(1)四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb674051a60d81aaeffaf116c693289.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4da8511aee19fefa5b9e9ec45ffacb.png)
![](https://img.xkw.com/dksih/QBM/2020/3/10/2416458901078016/2416606465761280/STEM/6c3beced24b74692b2e740705ec37b13.png?resizew=151)
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