如图,在菱形
中,对角线
、
交于点O,
,将
沿
方向平移,使点B落到点C处.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/b6b6de49-6ab7-4ce0-b085-c7f1a52e9e04.png?resizew=170)
(1)求证:四边形
是矩形;
(2)若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/3e3f5dc11efe60b4fd9a13b1d6b83842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/b6b6de49-6ab7-4ce0-b085-c7f1a52e9e04.png?resizew=170)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946c16d99496d31ce4d87301a4793393.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21b39558cdefc8db7f6b9adb326417c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169145cfb31e4fc502a3b2f47a644831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
22-23九年级上·山西运城·期中 查看更多[2]
更新时间:2023-12-10 17:46:04
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,一根长
的梯子
斜靠在墙上,梯子的顶端
到地面的距离AO为
,
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/3e4d4da6-b017-4437-b06f-928dfe971ae0.png?resizew=223)
(1)当梯子的顶端
下滑
时,求梯子底端
向外滑行的距离?
(2)请判断在木棍滑动的过程中,点
到点
的距离是否变化,若不变,则求出
的长度,若变化,请说明理由;
(3)直接写出木棍滑动的过程中
面积的最大值___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5998f37fe5c05e9708adecb972ffd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95a0a35c762ce0d3f39f7733aa2ff60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/15/3e4d4da6-b017-4437-b06f-928dfe971ae0.png?resizew=223)
(1)当梯子的顶端
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c6e4ecd4a91b0eb74f0d32e5da9b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)请判断在木棍滑动的过程中,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
(3)直接写出木棍滑动的过程中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图,在Rt△ABC中,∠ACB=90°,CD⊥AB,BC=15,AC=20,求AB、CD的长
![](https://img.xkw.com/dksih/QBM/2019/6/17/2227559482646528/2227590098894849/STEM/730e091b7e7d418c98bab1d0ca10602b.png?resizew=200)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
名校
【推荐1】如图,在正方形
中,E为
上一点,连接
是
上一点,过点M作
于点O,交
于点N,过点M作
于点F.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1bdaac9859ed46f03c8bc16e065c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccd3f78dd633f37c4bf1a3e9a0836a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba52e617d735abc7df4abda0269435f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4a2872af280e18f1c9547f627ed9e1.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,O是矩形
的对角线
与
的交点,E、F、G、H分别是
、
、
、
上的一点,且
,四边形EFGH是矩形吗?为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b63d2504bd3ecce8c10560b142356f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8100fc3751d7c5b484e68dcaedff4df.png)
![](https://img.xkw.com/dksih/QBM/2023/4/20/3220718224179200/3222105960988672/STEM/8d80305101414e8c91977960e9e182d4.png?resizew=148)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,在菱形ABCD中,点E、F分别在边AB、CD的延长线上,且BE=DF,CE⊥AB.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/24/4c9123e5-bf3f-498e-8bfb-7f3ee7df7538.png?resizew=181)
(1)求证:四边形AFCE是矩形;
(2)连接AC,若AC=10,AE=8,求菱形ABCD的周长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/24/4c9123e5-bf3f-498e-8bfb-7f3ee7df7538.png?resizew=181)
(1)求证:四边形AFCE是矩形;
(2)连接AC,若AC=10,AE=8,求菱形ABCD的周长.
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,
、
分别是不等边三角形
(即
)的边
、
的中点,
是
内的动点,连接
、
,点
、
分别是
、
的中点,顺次连接点
、
、
、
.
是平行四边形;
(2)若四边形
是菱形,则
与
应满足怎样的数量关系?并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860b295baf7a2d99de4e4fa76a9ed009.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d1ad7c1b864ffabf36d07ba2f6279e.png)
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d1ad7c1b864ffabf36d07ba2f6279e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,由边长为
的小正方形组成的网格,
的顶点都在格点上,请分别按下列要求完成解答:
,使顶点
平移到
处,顶点
平移到
处,画出平移后的
;
(2)
与
的位置关系为 ,
与
的数量关系为 ;
(3)线段
在平移过程中扫过的面积为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(3)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,在直角三角形
中,
,线段
是由线段
绕点A按逆时针旋转
得到的,
是由
沿
方向平移得到,且直线
过点D.
(1)求
的大小;
(2)若
,
,
,求
扫过的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a0387fc1258f31e44a10068c0ccfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e5e61804ce550636a0354e0a78a22d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/9/fd822e60-e197-4468-87a6-93b401f8cdf0.png?resizew=125)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384da7acfefa7c656eaca2df173f0cb6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d097ed84a64d44db93e9a0a6e8984952.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea8571ccb456fcec7d665226086e6ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次