1 . 已知等腰三角形的一个底角为
,则它的顶角为______ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16aa0b9869db50a9ab48cc32925d8e96.png)
您最近一年使用:0次
2024-01-07更新
|
35次组卷
|
4卷引用:四川省德阳市中江县2023-2024学年八年级上学期期末数学试题
2 . 如图,点A,D,B,E在同一条直线上,已知
.若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2023/11/3/3359985178820608/3404775662960640/STEM/3325d92311174ee5bd0bb5bf68f8c4d0.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2930486f5f7e8a4c182bde107470f4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb339dd40684c7f82eb68bc00b7f46ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://img.xkw.com/dksih/QBM/2023/11/3/3359985178820608/3404775662960640/STEM/3325d92311174ee5bd0bb5bf68f8c4d0.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 如图,
中,
,D、E分别是
延长线的点,如果![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4872ffc26f63276f62bafd43c3f7466f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/fb175ee5-f74b-40cb-a838-79322d9252b1.png?resizew=171)
(1)
吗?为什么?
(2)若
,求
的度数.
![](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/834296a5eb1b0bd28293b22edd658b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4872ffc26f63276f62bafd43c3f7466f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/fb175ee5-f74b-40cb-a838-79322d9252b1.png?resizew=171)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbcde14246ef16a056ef08a6908a07c0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456e0f77d83975fdbdb60b499cb5b521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
您最近一年使用:0次
名校
4 . 如图,在
中,
,将
绕点A逆时针旋转到
的位置,使得
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/f360888c-0924-49e5-b442-da4481eed414.png?resizew=157)
(1)请判断
的形状,并说明理由.
(2)求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7823487ac75827c51afa4e4ebaac6411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c021993da445858448d368df42554c8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267e07d4aa26bbb8ecf669b66b9fd643.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/2/f360888c-0924-49e5-b442-da4481eed414.png?resizew=157)
(1)请判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8545c7ec378be8ad759c608e16ae9183.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70893226b221dd85f16612b7c89b678.png)
您最近一年使用:0次
2024-01-01更新
|
128次组卷
|
12卷引用:四川省达州市2022-2023学年八年级下学期5月月考数学试题
四川省达州市2022-2023学年八年级下学期5月月考数学试题四川省达州市宣汉县南坝中学2022-2023学年八年级下学期期末数学试题(已下线)期中真题精选(常考60题专练)-2022-2023学年八年级数学下学期期中期末考点大串讲(北师大版)第二十三章 旋转 小结(已下线)第二十三章 旋转 达标检测卷(A卷)-2023-2024学年九年级数学上册《知识解读·题型专练》(人教版)湖北省武汉市洪山区中片2023-2024学年九年级上学期月考数学试题内蒙古自治区巴彦淖尔市磴口县实验中学2023-2024学年九年级上学期期中数学试题广东省佛山市南海区狮山镇罗村第二初级中学2021-2022学年八年级下学期第一次月测数学试题(已下线)第03练 图形的旋转-2022年【暑假分层作业】八年级数学(苏科版)(已下线)专题23.1 图形的旋转(知识解读)-2022-2023学年九年级数学上册《同步考点解读·专题训练》(人教版)辽宁省沈阳市沈北新区2021-2022学年八年级下学期期中数学试题新疆维吾尔自治区乌鲁木齐市新市区新疆师范大学附属中学2021-2022学年九年级上学期10月月考数学试题
名校
5 . 如图,在等腰
中,
,点D、E、F分别是边
上的点,
与
相交于点G,
,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/1e238bfc-d5d5-4380-a7da-123798759265.png?resizew=99)
![](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/5e29faaf96cbbc2f20a2082275f93bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68cf5a2eb4148ee1faaa680536888421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c5840e0454fdec7d2158072c43b8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6567f04a1bfbf57c21ac8bc4893375.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/1e238bfc-d5d5-4380-a7da-123798759265.png?resizew=99)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-01更新
|
249次组卷
|
10卷引用:四川省自贡市自流井区第二十八中学校2023-2024学年八年级上学期期中数学试题
四川省自贡市自流井区第二十八中学校2023-2024学年八年级上学期期中数学试题山东省德州市德城区第九中学2023-2024学年八年级上学期期中数学试题山东省德州市宁津县第六实验中学2023-2024学年八年级上学期期中数学试题重庆市巴南区2020-2021学年八年级上学期期中数学试题湖南省长沙市广益实验中学2021-2022学年八年级上学期第一次月考数学试题重庆市梁平区梁山集团七校2021-2022学年八年级上学期期中数学试题山东省日照市东港区新营中学2022-2023学年八年级上学期期中数学试题广西壮族自治区来宾市武宣县二塘镇中学2022-2023学年八年级上学期期中数学试题山东省日照市东港区新营教育集团2022-2023学年八年级上学期期中考试数学试题(已下线)第01讲 等腰三角形和等边三角形-【寒假自学课】2024年八年级数学寒假提升学与练(北师大版)
名校
6 . 如图,在
中,
分别垂直平分
和
,交
于
两点,
与
相交于点
.
,则
的度数为 ;
(2)若
,则
的度数为 ;(用含
的代数式表示)
(3)连接
,
的周长为
,
的周长为
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4fa2c4bd682b3fc8667728ba8f2f02.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/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1be17e0a3e51cde1f50f384198e71e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f8eff113ca3f0d0200253c7c2f5a7a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67730019eec7bb987f2d2d1d36566de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07505530a9ec2f9c8a23e3c9eafa313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2105973a06b89a2be3939eff0da03e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd6f4250ca6b1b9bce234a01f00d44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eaceb8d6c6927e14d9ac7a557a2b11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d59c6d9b504860487d7240ef603f1c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
您最近一年使用:0次
2023-12-29更新
|
179次组卷
|
7卷引用:四川省内江市第二中学2023-2024学年八年级上学期第二次月考数学试题
四川省内江市第二中学2023-2024学年八年级上学期第二次月考数学试题江苏省扬州市高邮市南海中学2023-2024学年八年级上学期第一次学情调研测试数学试题湖北省黄冈市浠水县楼口中学2023-2024学年八年级上学期月考数学试题黑龙江省大庆市肇源县四校联考2023-2024学年八年级上学期期中数学试题(五四制)山东省聊城市东昌府区聊城东昌中学2023-2024学年八年级上学期期中数学试题(已下线)第05讲 线段的垂直平分线-【寒假自学课】2024年八年级数学寒假提升学与练(北师大版)(已下线)第一章第04讲 线段的垂直平分线和角平分线(8类热点题型讲练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(北师大版)
名校
7 . 如图,已知
与
都是等边三角形,点
在同一条直线上,
与
相交于点
,
与
相交于点
,
与
相交于点
, 则下列结论①
;②
;③
;④
是等边三角形.其中正确的是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dfc3b9d7f07b52a69ceecbc36a1808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb760b95bbee417853cf5c41c6d66e1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444f521df9847e7c60ba9f82ee796090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c23c66ab7d74f51cb4b79d1029fb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7555fb7c554993b9ef297dcfedfd56e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7555fb7c554993b9ef297dcfedfd56e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f98ec7a7f8d8760b5d333fb66ae18b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c23c66ab7d74f51cb4b79d1029fb38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba8c45ade0bb663057fbc44614edfd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c5a0011c9af0c81b06e0b9b6dee3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8995662a7eb25ef1cfefaba2a86e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a210c85e00d6a1106cf705f0cb63ebfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1df9ac43a31cbfc4fb407513847a9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/b4dae5bd-fbd9-4a0e-b841-f24676d5eb27.png?resizew=172)
您最近一年使用:0次
名校
8 . 如图,
是
内一点,且
到三边
的距离
,若
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dfc3b9d7f07b52a69ceecbc36a1808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77fd26cb58c37e44b81e9ea89a6a990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741193ea8fbac3fbff3e9cbfda20b1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf0812a518a6960edafe254903905d4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/de4e2b63-0e6c-4619-856d-7cf8bfbb62cd.png?resizew=178)
您最近一年使用:0次
名校
9 . 如图, 已知
中,
为
内一点, 过点
的直线
分别交
于点
.若M在
的中垂线上,
在
的中垂线上,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/f052460e-ce56-436e-a1a1-f01fc5909881.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dfc3b9d7f07b52a69ceecbc36a1808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095177d95e8470f69a2bb9718f05ee65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dfc3b9d7f07b52a69ceecbc36a1808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8318a8cca48373f98a1b7c2e05cc1e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c0ca2fb042db1392b464fc56868672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881fdca549c62abdcf6a65f8978d9296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84ae3dcec1ea7407a6c30b7005a8543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3c1375c64dceef45846308a418cf7f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/f052460e-ce56-436e-a1a1-f01fc5909881.png?resizew=158)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图,已知
,
,将
绕点A逆时针旋转60°得到
,
与
交于点P.下列结论:
①
;
②
与
互相平分;
③
;
④
平分
,其中正确结论的是 ________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a875807092b0f06faa4d5e64f10aae.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f15b83573bf9564805e367ca9d457a1.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c02a1dd2165e54dc90f50af9d7ac22.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffab06abe01c9b48aa4692c73d8b7c6.png)
您最近一年使用:0次
2023-12-27更新
|
77次组卷
|
3卷引用:四川省绵阳市江油市2023-2024学年九年级上学期期中数学试题
四川省绵阳市江油市2023-2024学年九年级上学期期中数学试题四川省达州市渠县东安雄才学校2023-2024学年八年级下学期5月期中数学试题(已下线)专题9.2 图形的旋转(分层练习)-2023-2024学年八年级数学下册基础知识专项突破讲与练(苏科版)