如图,在
中,
都是
上的点,且
.
;
(2)若
,求
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c46456daad16dab4a25b772759084d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88909ef30b46472ddf4f487b5b992d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52273305805769a438772342b53c289e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1611d3b3cf72b3bde098017633d5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
23-24八年级上·山西临汾·期中 查看更多[5]
山西省临汾市尧都区临汾市兴国实验学校2023-2024学年八年级上学期期中数学试题(已下线)寒假作业03 全等三角形的性质与判定-【寒假分层作业】2024年八年级数学寒假培优练(人教版)(已下线)第四章第04讲 思想方法专题:判定三角形全等之三大基本思路(3类热点题型讲练)-【帮课堂】2023-2024学年七年级数学下册同步学与练(北师大版)(已下线)第05讲 全等三角形与“SSS”判定三角形全等(4个知识点+6个考点)【暑假自学课】-2024年新八年级数学暑假提升精品讲义(人教版)(已下线)2024年四川省内江市中考数学真题变式题17-21题
更新时间:2023-11-16 07:50:55
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】在
中,
垂足为
.
(1)填空:
_________°;
(2)
是线段
上的动点,连结
,将线段
绕点
按顺时针方向旋转
,点
的对应点是点
,连接
,得到
.
①如图1,若点
在直线
上,
,求
的值.
②连结
,直线A
直线
是否平行,为什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c8ffb9fa8e7e45ad160e3257121b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db07c6ce6c8b0e96a3470c6a3491334.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/346e0047a0d1aa3f3ed28faeb6feee6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7807f6a0d316671ed34c23e32fc7408.png)
①如图1,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8112a21a373fdee98abfca6b5abecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72bc94733e4d048c8219e6a98866fef0.png)
②连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2020/2/4/2391863306985472/2391913616039936/STEM/8c595d0a05f547b4a7cf0e77c628565a.png?resizew=183)
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解答题-问答题
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适中
(0.65)
【推荐2】在△ABC中,∠A-∠B=30°,∠C=4∠B,求∠A、∠B、∠C的度数
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解答题-证明题
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适中
(0.65)
名校
【推荐1】已知,如图,
于点
,
于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/d805ff5c-1566-40e9-8432-e21be9412478.png?resizew=204)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1016bc9ef1c728bccf070a6e4a532f.png)
(2)试问:
和
相等吗?说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b0d193161acc4cc114d86a2aa375981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/d805ff5c-1566-40e9-8432-e21be9412478.png?resizew=204)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1016bc9ef1c728bccf070a6e4a532f.png)
(2)试问:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6c6e7c025362c46a64a8956761f08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a679040c4d556723e482bacbab41356d.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,在四边形
中,对角线
、
相交于点
.点
是对角线
的中点,连接
、
.已知
,
,
,
.
;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1165830b314a0dab65ea267e82bd3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e883f81c66ceef54d2d0556a68ed585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab41054fa9ce51b68e78d9c0cf398d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee730f6a2551fb1b582ecf290cfea233.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89032cce4c4bcf4c95960e14fdc3b6b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf25acc6b53e470fcc4e7e11f7fb4125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e949955ad71372c3647165a7cdf5158d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc9f0779b0ba2f9f97caf35c166ad24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4cb4069a2e1e90d1a9c4979ad09ca2.png)
您最近一年使用:0次