1 . 如图,在平面直角坐标系中,直线
分别交x轴、y轴于点A、点B,直线
交x轴于点
.
的解析式.
(2)如图2,过点A的直线交线段
于点M,且满足
与
的面积比为
,点E和点F分别是直线
和x轴上的两个动点,当
的值最小时,求出点M坐标及
的最小值.
(3)如图3,在(2)的条件下,将点M沿着射线
方向平移2个单位得到点
,将
沿着射线
方向平移2个单位得到
,若点Q是直线
上的一个动点,当
是以
为腰的等腰三角形时,请直接写出所有点Q的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5627cec233ab4cd6ea8a864e220a6946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ec8f4ff36efabcb339f68db3f6fc45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)如图2,过点A的直线交线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dddb32a7a5c157fdf8aa049b2d665b4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259150cf534c96faef62a1d5e8b5d238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393aecc2fca4218b20b5ca786d272310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393aecc2fca4218b20b5ca786d272310.png)
(3)如图3,在(2)的条件下,将点M沿着射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08540a65646a502f0e1b380b5eaa7323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb80a5a6dd129145818abae9e768d9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9cf5a8dc4055b6720970cc97e58cfd.png)
您最近一年使用:0次
2 . 综合与实践
问题提出
(1)如图1,在
中,
,点
分别在
边上,且
,则
与
的大小关系是 .
操作感悟
(2)如图2,将
绕点
顺时针旋转,连接
,猜想
与
的大小关系和位置关系,并证明你的结论.
延伸探究
(3)如图2,若
,在
绕点
顺时针旋转的过程中,求
面积的最大值.
问题提出
(1)如图1,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b1c0789fff549e1db4510cc3494fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3648c864f9f58da1dbb166fee84cfeaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5dc62e10004e73908091338362917da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
操作感悟
(2)如图2,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8518c9bd112f86afb26eec99b01934d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
延伸探究
(3)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b243f607be47bda30d81605f2bafa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
您最近一年使用:0次
2024-06-08更新
|
26次组卷
|
2卷引用:江西省九江市柴桑区九江五校2023-2024学年八年级下学期月考数学试题
23-24八年级下·广东潮州·期中
3 .
中,D为
中点,E为
中点,直线
交
于F,求证:
.
![](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/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07cfea4b1ffc26ab403cd5dd8dfd3f91.png)
您最近一年使用:0次
4 . 如图1,在
中,截线
交
于点
,交
于点
,交
的延长线于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/4b7c8107-1c8a-493b-8e10-ad253d1a820e.png?resizew=277)
(1)求证:
;
(2)若截线
经过
的重心点
,如图2,利用(1)中的结论,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/2024/2/26/4b7c8107-1c8a-493b-8e10-ad253d1a820e.png?resizew=277)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e26827400acdb5dee61624a4feec.png)
(2)若截线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151a94247eaa8d96314a411578bf78b6.png)
您最近一年使用:0次
5 . 如图,点C为
上一动点,以
,
为斜边在
同侧作等腰直角三角形
与等腰直角三角形
,连接
,点F在
上,连接
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/a9899ac3-8c68-4abd-9129-4921f88483aa.png?resizew=210)
(1)求证:点F为
的中点;
(2)过点F作
的垂线,点G为垂足,求
的值;
(3)若
,
与
的面积和为S,求S的最小值.
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b2ef1b525d302da087241e37387fa6.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/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106763481f13fbc37747abaf0d0f4594.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/a9899ac3-8c68-4abd-9129-4921f88483aa.png?resizew=210)
(1)求证:点F为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(2)过点F作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3059f9c09e4f81101d45a64adb6b0397.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c3c8bf858c13b295de56e548116db9.png)
您最近一年使用:0次
6 . 如图1,在锐角
中,
于点
,
于点
,
、
相交于点
,已知
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/d3bd8925-6a2f-40dd-a293-ff5b6bbac730.png?resizew=344)
(1)判断
与
的数量关系,并说明理由.
(2)若
,求
的长.
(3)如图2,将
沿线段
对折,点
落在
上的点
,
与
相交于点
,当
时,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e19b77c15bdff64b03a92cac5e7598eb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/d3bd8925-6a2f-40dd-a293-ff5b6bbac730.png?resizew=344)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65639672f444b3d4dc6fc4f357ddbd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(3)如图2,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d252da5083b76e8aa2572d4ed1a38df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
您最近一年使用:0次
名校
7 . 如图,
,若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d40e403b138555d6a6fe99b26ee7eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1278bf11e24f80ca1b8f04872cbb60a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/16/2f9e264c-e778-460a-9d28-9c9a4d643517.png?resizew=145)
您最近一年使用:0次
2023-10-01更新
|
224次组卷
|
18卷引用:江苏省苏州市高新区2019-2020学年八年级下学期期末数学试题
江苏省苏州市高新区2019-2020学年八年级下学期期末数学试题江苏省苏州市姑苏区南环中学2020-2021学年八年级下学期5月月考数学考试辽宁省沈阳市浑南区东北育才学校2021-2022学年八年级下学期期中数学试题山东省烟台市芝罘区2021-2022学年八年级下学期期中数学试题山东省烟台市烟台经济技术开发区2022-2023学年八年级下学期期中数学试题(五四学制 )甘肃省酒泉市金塔县第三中学2020-2021学年九年级上学期期中数学试题甘肃省张掖市甘州区甘州中学2020-2021学年九年级上学期第一次月考数学试题2021年吉林省延边州中考数学二模试题江苏省泰州市靖江市靖城中学2021-2022学年九年级上学期10月月考数学试题(已下线)专题4.53 《图形的相似》中考常考考点专题(巩固篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(北师大版)(已下线)4.2 平行线分线段成比例(分层练习)-2022-2023学年九年级数学上册同步精品课堂(北师大版)(已下线)6.4.1探索三角形相似的条件——平行线分线段成比例(练习)-2022-2023学年九年级数学下册同步精品课堂(苏科版)(已下线)专题27.48 《相似》中考常考考点专题(巩固篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(人教版)(已下线)专题6.51 《图形的相似》中考常考考点专题(巩固篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(苏科版)陕西省汉中市勉县2020~2021学年九年级上学期期中数学试题江苏省泰州市靖江市靖江外国语学校2023-2024学年九年级上学期10月月考数学试题广东省深圳市南山区2023-2024学年九年级上学期期中数学试题甘肃省张掖市甘州区甘州区思源实验学校2023-2024学年九年级上学期期中数学试题
名校
8 . 已知:如图,在
中,
,
,
.直线
从
点出发,以
的速度向点
方向运动,并始终与
平行,与线段
交于点
.同时,点
从
点出发,以
的速度沿
向点
运动,设运动时间为
.
(1)当
为何值时,四边形
是矩形?
(2)当
面积是
的面积的
倍时,求出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fae188b381c5ba01b3d9d742c687dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c545764505bb00578a870c5e39493a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d989a128e30a701dfff5592476a76bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5631e6ec24d3d67bf4592313b6b3f4f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8e26052fae0144524ded5caeefd510.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/30/5a16d93e-94ff-43ae-b2fd-5e11507c2627.png?resizew=160)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a18c51f8045d21405bb6fb50688280.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b51d3992644d37dc71c9b5a97d515c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2023-09-24更新
|
116次组卷
|
3卷引用:江苏省苏州市高新区2018-2019学年第二学期八年级数学期末测试题
江苏省苏州市高新区2018-2019学年第二学期八年级数学期末测试题江苏省无锡市厚桥中学2022-2023学年八年级下学期5月月考数学试题(已下线)江苏省泰州市姜堰区第四中学2023-2024学年上学期九年级数学独立作业1207
9 . 如图,矩形
在平面直的坐标系中,点A在
轴上,
,点
在
轴上,
,点
在
上,
,点
在
轴上,以
为边向下作平行四边形
.
的值;
(2)点
的横坐标是否为定值,请说明理由,并求出点
的横坐标;
(3)若
的面积被x轴分成1∶3两部分,请求出m的值;
(4)若点
关于
的对称点
落在
轴上,请求出点
的坐标.(直接写出答案)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f561a36cc4c9293d8a63ee4e1a7146b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd3fd00798e7ec50afafe7fa7a4f42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f01c4faacedfe56f5127d6c0cc63cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13ee3e3b47a736007474860b44b25dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a77b6c44873517ed2fe7188f267bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7bce6eba5d07a34f24c5370c580ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7abedd8d7aa0a7d827fbe577e35feb.png)
(4)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
10 . 如图,将
放在每个小正方形的边长为1的网格中,点
均落在格点上.
的面积等于________.
(2)请在如图所示的网格中,用无刻度的直尺,过点
画一条直线,交
于点
,使
的面积等于
面积的3倍,并简要说明画图的方法__________.(不要求证明)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)请在如图所示的网格中,用无刻度的直尺,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
您最近一年使用:0次
2023-09-11更新
|
62次组卷
|
6卷引用:天津市河西区2018-2019学年八年级下学期期中数学试题
天津市河西区2018-2019学年八年级下学期期中数学试题(已下线)专题1.19 用勾股定理解决面积问题(分层练习)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)(已下线)专题1.30 勾股定理常考考点分类专题(分层练习)(提升练习)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)(已下线)专题3.30 勾股定理常考考点分类专题(分层练习)(提升练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)(已下线)专题3.19 用勾股定理解决面积问题(分层练习)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)27.1 图形的相似课后作业C层