名校
1 . 如图,在
中,
,点D在
上,
,过点B作
,交
的延长线于点E.
(1)求证:
;
(2)如果
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d365cc7ce9022654091eee60bc1c2b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b937442ad4cc480adc11bb143559454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/31/32968dd8-000e-4ee0-b9d6-2f280f43f197.png?resizew=202)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50524f9df8353f6a81de4f76bb3c4c4.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f218914337edd06e59e75d90b777e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
您最近一年使用:0次
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4卷引用:北京市门头沟区2022-2023学年九年级上学期期末数学试卷
名校
2 . 如图所示的网格是正方形网格,A,B,C,D,E是网格线的交点,那么
的面积与
的面积的比是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/81ad86aa-771b-499d-8201-20c4a3e18f12.png?resizew=116)
您最近一年使用:0次
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7卷引用:北京市门头沟区2022-2023学年九年级上学期期末数学试卷
名校
3 . 如图,
是
的中位线,若
的面积为1,则四边形
的面积为( )
![](https://img.xkw.com/dksih/QBM/2022/12/30/3141843578363904/3144219079155712/STEM/50a84ca0222b43eda57651052f4d2cf5.png?resizew=165)
![](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/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce735bef8c7fc6a1ddcebd449e38f7e.png)
![](https://img.xkw.com/dksih/QBM/2022/12/30/3141843578363904/3144219079155712/STEM/50a84ca0222b43eda57651052f4d2cf5.png?resizew=165)
A.4 | B.3 | C.2 | D.1 |
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7卷引用:北京市景山学校远洋分校2022—2023学年八年级上学期数学期末测试
北京市景山学校远洋分校2022—2023学年八年级上学期数学期末测试广东省东莞市光明中学2021-2022学年九年级上学期期末考试数学试题江苏省苏州市苏州高新区实验初级中学2021-2022学年九年级上学期12月月考数学试题(已下线)第六章 平行四边形(B卷·能力提升练)-【单元测试】2022-2023学年八年级数学下册分层训练AB卷(北师大版)(已下线)(培优特训)专项9.1 平行四边形中“平行线+角平分线”基本图形的运用-2022-2023学年八年级数学下册《同步考点解读·专题训练》(苏科版)(已下线)专题9.8 三角形中位线(专项训练)-2022-2023学年八年级数学下册《同步考点解读·专题训练》(苏科版)第九章 图形的相似 8 相似三角形的性质鲁教版八年级下册课后作业
4 . 在平面直角坐标系
中,图形M上存在一点P,将点P先向右平移一个单位长度,再向上平移一个单位长度得到点Q,若点Q在图形N上,则称图形M与图形N成“斜关联”.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/22d11400-00fe-4a7c-8075-4ef662e8a559.png?resizew=303)
(1)已知点
,
,
,
.
①点A与B、C、D中的哪个点成“斜关联”?
②若线段
与双曲线
成“斜关联”,求k的取值范围;
(2)已知
的半径为1,圆心T的坐标为
,直线l的表达式为
,若
与直线l成“斜关联”,请直接写出t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/22d11400-00fe-4a7c-8075-4ef662e8a559.png?resizew=303)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1294434b22cb5133043a2270ae1c43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cad955f235c6dc064b5cc814b8c0656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e61dd6cbb403ec51f5af91bd0e351b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa660294b13dd81d841a1991d6d1c501.png)
①点A与B、C、D中的哪个点成“斜关联”?
②若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347ab0d001ed7e8f51f9886ce88ac64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fffad27b195220d9b31db743cd44eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc02c6949ec384348162d7bf81092f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9347ab0d001ed7e8f51f9886ce88ac64.png)
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5 . 已知:在平行四边形
中,
于点
,
平分
,交线段
于点
.
![](https://img.xkw.com/dksih/QBM/2022/12/29/3141131013349376/3144095682158592/STEM/e4beb271e18e463098ad9b0d7075af13.png?resizew=503)
(1)如图1,若
,延长
到点
,使得
,连接
,依题意补全图形并证明
;
(2)在(1)的条件下,用等式表示线段
,
,
之间的数量关系,并证明;
(3)如图2,若
,用等式表示线段
,
,
之间的数量关系,直接写出结果.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3f5dc11efe60b4fd9a13b1d6b83842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2022/12/29/3141131013349376/3144095682158592/STEM/e4beb271e18e463098ad9b0d7075af13.png?resizew=503)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30e50e094cd2849e38859b36aad0b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c8747a59e0d4f7cfe54f1072012d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fa711ab8b0d9afcbd275c9f1e75c8d.png)
(2)在(1)的条件下,用等式表示线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
(3)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e5f23185221c0db8414ae478661fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
您最近一年使用:0次
6 . 如图,在菱形
中,点E在边
上,射线
交
的延长线于点F,若
,
,则AF的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/455057c0-3860-4512-b89d-4388cb7d914a.png?resizew=162)
![](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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/726046ad05564fa2831ec640af95175b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/455057c0-3860-4512-b89d-4388cb7d914a.png?resizew=162)
A.1 | B.![]() | C.![]() | D.2 |
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|
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4卷引用:北京市顺义区2022-2023学年九年级上学期期末数学试题
7 . 已知
为等腰直角三角形,
,
.点D为平面上一点,使得
.点P为
中点,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/7799e03e-9b58-4307-a03a-5d2abfa03132.png?resizew=173)
(1)如图,点D为
内一点.
①猜想
的大小;
②写出线段
,
,
之间的数量关系,并证明;
(2)直接写出线段
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9ae4ef7714ec7519c75eee5fee7b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/7799e03e-9b58-4307-a03a-5d2abfa03132.png?resizew=173)
(1)如图,点D为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
①猜想
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a34228c2e9340b225b7281383b24d3.png)
②写出线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
(2)直接写出线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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名校
8 . 如图,在矩形
中,若
,
,且
,则EF的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d029a60794c049a80700f731a6f27432.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/079d88b4-8efb-4760-ab5b-6ba904397e0d.png?resizew=159)
您最近一年使用:0次
2022-12-28更新
|
206次组卷
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5卷引用:北京市房山区2022-2023学年九年级上学期数学期末试卷
北京市房山区2022-2023学年九年级上学期数学期末试卷(已下线)专题12 相似三角形的六种题型-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北京专用)山东省枣庄市滕州市张汪镇张汪中学2022-2023学年九年级上学期期末数学试题北京市西城区北京师范大学第二附属中学西城实验学校2022~2023学年九年级下学期数学落实2试题北京市东城区一六六中学2022~2023学年九年级下学期开学考试数学试卷
名校
9 . 如图,四边形
是正方形,以点A为中心,将线段
顺时针旋转
,得到线段
,连接
,
.
的度数;
(2)过点B作
于点F,连接
,依题意补全图形,用等式表示线段
与
的数量关系,并证明.
![](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/aeb1aa7bc4a01962fc1297f17fa9128f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6beda2518cf76da94d7ec9a813dcfa82.png)
(2)过点B作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7a3dc3f3a02f4400e22dec2f2fee23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
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2022-12-28更新
|
360次组卷
|
5卷引用:北京市石景山区2022-2023学年九年级上学期期末数学试卷
北京市石景山区2022-2023学年九年级上学期期末数学试卷北京市北师大实验中学丰台学校2022~2023学年九年级下学期数学月考试卷(3月)北京市第十五中学2023--2024学年九年级上学期期中数学试题(已下线)专题05 特殊的平行四边形【五大题型】-【好题汇编】备战2023-2024学年八年级数学下学期期末真题分类汇编(北京专用)(已下线)2023年四川省南充市中考数学真题变式题22-25题
10 . 如图,A是直线
上一点,
,过点B作
于点D,过点C作
于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/a5084621-afd1-4099-a09a-3b9d6e6e9e30.png?resizew=227)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f142517721d044ea9fbbebb5f9e626d3.png)
;
(2)若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b64aa36c0315bb779185621f1bcb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbc0bdb6faddec0235cb15827d31c6c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/a5084621-afd1-4099-a09a-3b9d6e6e9e30.png?resizew=227)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f142517721d044ea9fbbebb5f9e626d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fef102911f5b3465c2b95331afce934.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06201e4f55b78d8b30afb257d5a1b16b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59bc3943c9bc08400c3751b31c7ce00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
您最近一年使用:0次
2022-12-28更新
|
249次组卷
|
3卷引用:北京市石景山区2022-2023学年九年级上学期期末数学试卷