名校
1 . 如图,在等腰三角形
中,
,
,D为
的中点,点E在
上,
,若点P是等腰三角形
的腰
上的一点,则当
为等腰三角形时,
的度数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bef89ac0dd5ae192cd9c7222d5041b.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/ccd361106aded2b0b8ccd5a372ddc59e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028c33f1a5112a4e4cce0f0cb6a7cc3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817b659099b537f662be8a00c096cc3c.png)
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5卷引用:宁夏回族自治区石嘴山市大武口区2023-2024学年八年级上学期期末数学试题
名校
2 . 如图,在
中,对角线
,
相交于点O,点E,F在
上,点G,H在
上,且
,
.
,
,试求
的度数.
(2)求证:四边形
是平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ce1475f537b4ad21775bfaa16daa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a15346cf93dc605b05f16bfa4eaa2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ee81929c987732fcb379802eeef7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d7bf8de6c46c5d3f700ff85bad3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
(2)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1522a9c3b2466395570c2689a4055584.png)
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9卷引用:宁夏回族自治区银川市金凤区第六中学2021-2022学年八年级下学期期末数学试题
宁夏回族自治区银川市金凤区第六中学2021-2022学年八年级下学期期末数学试题(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第一次学情调查3.2(已下线)9.3 平行四边形-【帮课堂】2022-2023学年八年级数学下册同步精品讲义(苏科版)(已下线)9.3 平行四边形(第2课时)(练习)-2022-2023学年八年级数学下册同步精品课堂(苏科版)陕西省汉中市洋县2022-2023学年八年级下学期7月期末数学试题江苏省泰州市姜堰区姜堰区实验初级中学2022-2023学年八年级下学期月考数学试题江苏省连云港市海宁中学2023-2024学年八年级下学期数学第一次月考试题江苏省连云港市海宁中学2023-2024学年八年级下学期数学第一次月考试题吉林省桦甸市第七中学2023-2024学年八年级下学期第一次月考数学试题
3 . 以点A为顶点作两个等腰直角三角形(
,
),
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/4/ed141fb5-9c5b-424b-af95-20cf1b0b5c0e.jpg?resizew=503)
(1)如图1所示放置,使得一直角边重合,延长
,交
于点F,试说明
.
(2)如图2所示放置,连接
与
相交于点F,
①
与
的大小有什么关系,请说明理由.
②
与
的位置有什么关系,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/4/ed141fb5-9c5b-424b-af95-20cf1b0b5c0e.jpg?resizew=503)
(1)如图1所示放置,使得一直角边重合,延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52273305805769a438772342b53c289e.png)
(2)如图2所示放置,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
您最近一年使用:0次
4 . 如图,
中,
,点
是
上一点,
,连接
,
是
的角平分线,交
于点
,交
于点
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/30/5621668f-689c-4d9d-b51b-c2901c20d3b5.png?resizew=168)
(1)求证:
.
(2)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8008eab22184d57ef7d4258f2188f5c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.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/e3d2d3643a9579f2c693ef86909441e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/30/5621668f-689c-4d9d-b51b-c2901c20d3b5.png?resizew=168)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad98ad714864041a632ca949308e417.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c157441734cc2f1853bb3e15b631a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35803969509655f72b4118503ae1c966.png)
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5 . 如图,在平面直角坐标系中,
为等腰直角三角形,其中
,直线
与直线
交于点A,有一个动点
沿路线
运动.
![](https://img.xkw.com/dksih/QBM/2022/12/25/3138378502668288/3156183554695168/STEM/642792d77db142ccbecae16ea0ebfcaa.png?resizew=182)
(1)求直线
的解析式;
(2)求
的面积;
(3)当
的面积是
的面积的
时,求出这时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e2857963e3ea3578e9a13638c3a2c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebd1e91be8f6f55a6ff243e328afe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbc281766c05f9245c98edb37e857e7.png)
![](https://img.xkw.com/dksih/QBM/2022/12/25/3138378502668288/3156183554695168/STEM/642792d77db142ccbecae16ea0ebfcaa.png?resizew=182)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173bc7a36757d77f01213411edd25241.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1470425447b3997a387908aa9e89de15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173bc7a36757d77f01213411edd25241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158b045c6172c4178d7aa52083e1489f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
名校
6 . 如图,已知
,
,则
的度数是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc688c55cf2d34194d90355a1e9ac48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c92125b5599dd6aaceed747e311829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67868a097fc9997cfc7fbbbfb7dcb2d3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/03c23fa5-edb9-44d9-bde6-4bc69541c3f5.png?resizew=243)
您最近一年使用:0次
2023-01-19更新
|
162次组卷
|
2卷引用:宁夏回族自治区银川市第三中学2020-2021学年八年级下学期期中数学试题
名校
7 . 如图,在
中,
,点
是
边的中点,连接
,分别过点
,
作
,
交于点
,连接
,交
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/9dddbc6f-bfd2-4549-bcc3-af4a94db6139.png?resizew=345)
(1)求证:四边形
是矩形;
(2)若
,
,则
的长为___________.
![](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/8455657dde27aabe6adb7b188e031c11.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e932b4add3175358f15be0e1f7104e79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec5d3a183594be47dd6e386d2c9d725.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/9dddbc6f-bfd2-4549-bcc3-af4a94db6139.png?resizew=345)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc1cbcd6d00f0c36bad8254297d9f33.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d186ff8551b1346bf67cdf1cebb8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
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|
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17卷引用:2023年宁夏银川市唐徕回民中学南校区一模考试数学模拟试题
2023年宁夏银川市唐徕回民中学南校区一模考试数学模拟试题【区级联考】北京市平谷区2019届九年级中考一模数学试题(已下线)专题14 图形的性质之解答题(3)《备战2020年中考真题分类汇编》(北京)2020年吉林省长春市中考数学评价检测试题北京市北京四中璞瑅学校2019-2020学年九年级下学期3月月考数学试题2020北京第十八中学九年级数学零模试题北京市丰台区2019-2020学年年九年级统一练习(三)数学试题2021年广东省深圳市中考模拟数学试卷(五)广东省茂名市茂南区2021-2022学年九年级上学期期末数学试题1广东省茂名市茂南区2021-2022学年九年级上学期期末数学试题2北京市广渠门中学2021-2022学年九年级下学期3月月考数学试题(已下线)专题07 四边形-2022年中考数学毕业班二轮热点题型归纳与变式演练(全国通用)江苏省盐都区第一共同体2021-2022学年九年级下学期第一次自主检测数学试题(一模)江苏省盐城市盐都区2021-2022学年九年级下学期3月月考数学试题(一模)吉林省长春市朝阳区长春南湖实验中学2022-2023学年九年级上学期期末数学试题山西省晋中市灵石县2022-2023学年九年级上学期12月月考数学试题北京市汇文中学2023-2024学年九年级下学期开学考数学试题
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8 . 已知在
中,
,
,
,
,则BC的长等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1816fb0bed72025e79aa4b7185055ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72011ad18bb305781ed985130b43766e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0296e95debd4bb13666830f537525648.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/2/7ae3338a-9ddd-4735-9012-146ae98b333e.png?resizew=160)
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2023-01-02更新
|
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8卷引用:宁夏回族自治区中卫市第七中学2022-2023学年九年级上学期期末数学试题
宁夏回族自治区中卫市第七中学2022-2023学年九年级上学期期末数学试题2022年广东省揭阳市重点中学中考数学模拟诊断试卷黑龙江省哈尔滨市南岗区第四十七中学2022-2023学年度八年级上学期9月月考数学(五四制)学情反馈试卷 山东省滨州市无棣县2022-2023学年八年级上学期期中考试数学试题河南省洛阳市洛龙区2022-2023学年八年级上学期期中数学试题(已下线)专题18.24 勾股定理解决含30度和45度的直角三角形(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(沪科版)(已下线)专题17.24 勾股定理解决含30度和45度的直角三角形(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(人教版)四川省泸州市泸县泸县第二中学2022-2023学年八年级下学期5月月考数学试题
名校
9 . 如图,一次函数
的图象与x轴和y轴分别交于点A和B,再将
沿直线
对折,使点A与点B重合,直线
与x轴交于点C,与
交于点D.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/4b235020-a7ae-42a0-bfad-cdf429ea881e.png?resizew=135)
(1)求点A和点B的坐标;
(2)求
的长度;
(3)在x轴上有一点P,且
是等腰三角形,不需计算过程,直接写出点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b098e17fa76c648424e9cadf558cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/4b235020-a7ae-42a0-bfad-cdf429ea881e.png?resizew=135)
(1)求点A和点B的坐标;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
(3)在x轴上有一点P,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
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2022-12-16更新
|
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