如图,在菱形
中,
是对角线
上的两点,且
.
;
(2)证明四边形
是菱形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ce1475f537b4ad21775bfaa16daa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8f7a3cf5a6acc41c4932eb8548e9e7.png)
(2)证明四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2330c01a4d2b5b20f106e3e48834d5c0.png)
2022·湖南娄底·一模 查看更多[12]
2022年湖南省娄底市初中毕业学业水平考试第一次模拟数学试题2022年西藏中考模拟数学试题2022年新疆乌鲁木齐市九年级中考一模数学试题2022年江苏省东台市中考模拟考试数学试题云南省楚雄彝族自治州双柏县2021-2022学年九年级上学期期中数学试题青岛版八年级下册第6章平行四边形单元测试数学试题2023年江苏省连云港新海实验中学中考二模数学试题湖北省武汉市新洲区2022--2023学年八年级下学期期末数学试题(已下线)第1章 特殊平行四边形(全章复习攻略与检测卷)(1个性质3个图形4种思想)-【帮课堂】2023-2024学年九年级数学上册同步学与练(北师大版)2023年新疆乌鲁木齐经济技术开发区九年级中考适应性考试数学试题2023年新疆乌鲁木齐市经开区中考5月份数学模拟预测题2023年新疆乌鲁木齐经开区(头屯河区)九年级适应性测试数学模拟预测题
更新时间:2024-01-21 23:13:32
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相似题推荐
解答题-作图题
|
适中
(0.65)
名校
【推荐1】对于平面直角坐标系
中的线段
及点Q,给出如下定义:若点Q满足
,则称点Q为线段
的“中垂点”;当
时,称点Q线段
的“完美中垂点”.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/fa9bf999-73a6-49e5-b911-7c272eb90632.png?resizew=566)
(1)如图1,
,下列各点中,线段
的中垂点是_____________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696fa67dd6a202fb1a7af55aa27577ad.png)
(2)如图2,点A为x轴上一点,若
为线段
的“完美中垂点”,写出线段
的两个“完美中垂点”是__________和__________.
(3)如图3,若点A为x轴正半轴上一点,点Q为线段
的“完美中垂点”,点
在y轴正半轴上.
①请用尺规作图在线段
上方做出线段
的“完美中垂点”M
②求
(用含m的式子表示)及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c5c1f5b997325ff92274249b136b6fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06993353601143c09589fb1dc9e641f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/fa9bf999-73a6-49e5-b911-7c272eb90632.png?resizew=566)
(1)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fd4da08956db1f206c8ea026f4e52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696fa67dd6a202fb1a7af55aa27577ad.png)
(2)如图2,点A为x轴上一点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ad849af41b82a1c9d3eccd957e6c60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
(3)如图3,若点A为x轴正半轴上一点,点Q为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bdb666d09b92d3c6e87e00e5790a88.png)
①请用尺规作图在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8063734025db9673ca3cecad56bbb18e.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】如图:已知
的内接等腰直角
,
,
为
上一点,连结
、
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/c38eaa00-2c72-4a7b-b916-33b3a0aea61c.png?resizew=315)
(1)求证:
;
(2)若点
在
上(异于
、
两点),上述结论是否成立?________(填“是”或“否”),如果不成立,请直接写出新的结论________________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/c38eaa00-2c72-4a7b-b916-33b3a0aea61c.png?resizew=315)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56aa26257b988d4b7fcb7c857a7b9db1.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解答题-证明题
|
适中
(0.65)
【推荐1】如图,在菱形
中,
,
、
为对角线.点N是边
延长线上的一点,连接
交
于点
平分
交
于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/0d94558b-dcc2-4ca0-a40f-d1d69e89eb43.png?resizew=247)
(1)求证:
.
(2)若
平分
H是
的中点.求
的长.
(3)在(2)的条件下,请直接写出
与
的数量关系: .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b69b7c55e4e8d420ede337a957ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceac506180a5898c68ce48c53db73eaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/0d94558b-dcc2-4ca0-a40f-d1d69e89eb43.png?resizew=247)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23d90078fcdfde7e9f221bc2bebda3a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d155a1b85b0235ff23ba22fd4635f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
(3)在(2)的条件下,请直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cfef623a9534b5708df5f95f1760a5.png)
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解答题-作图题
|
适中
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【推荐2】如图,请用无刻度的直尺按下列要求画图:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/b4c876f7-948c-4a3c-a0b8-113f48205dde.png?resizew=394)
(1)如图1,在△ ABC中,AB=AC,D、E分别是边AB、AC上的两点,且BD=CE,请画出线段BC的垂直平分线;
(2)如图2,在菱形ABCD中,∠ B=60°,E是AB的中点,请画出线段BC的垂直平分线
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/b4c876f7-948c-4a3c-a0b8-113f48205dde.png?resizew=394)
(1)如图1,在△ ABC中,AB=AC,D、E分别是边AB、AC上的两点,且BD=CE,请画出线段BC的垂直平分线;
(2)如图2,在菱形ABCD中,∠ B=60°,E是AB的中点,请画出线段BC的垂直平分线
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图1,在平行四边形
中,点E,F分别在线段
,
上,且
,连接
,
交于点O.
(1)求证:
;
(2)连接
,
(如图2),若
,求证:四边形
是菱形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/fec5f13f-5366-4865-93b8-d604412573a9.png?resizew=441)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a267dee1788e0fbe8462533750a922a5.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314dbb3edcffa7ac3f9d4b6aef6db10a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87e1fe20bb0e8292e993657e14bc79a.png)
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解答题-证明题
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适中
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名校
【推荐2】如图,在矩形中,点E在边
上,折叠
使点A落在
边上的点F处,折痕为
,过点A作
交
于点G,连接
.
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
您最近一年使用:0次