名校
1 . 如图,在等腰直角三角形
中,
,
于点
,
的平分线分别交
,
于点
,
,
为
的中点,
的延长线交
于点
,连接
.下列结论:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
是等腰三角形;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
.其中结论正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/2e8d8bf2-da7b-4d0c-a048-6b6534ebe4f4.png?resizew=127)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90abbcfc1d246f8ed14b31aee0f0053.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/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af29505e20d3f1a939cf44ca48b0f9c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f63ee2c50a84a8e1875c7760a2d686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999c42a021bdc576f097246b9e64d986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f282c84701fa5b8659a7ba3cd9b692.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/15/2e8d8bf2-da7b-4d0c-a048-6b6534ebe4f4.png?resizew=127)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-10更新
|
199次组卷
|
2卷引用:四川省泸州市泸县泸县第五中学2023-2024学年八年级上学期期末数学试题
2 . 如图,
,
,
分别与
相切于点
,
,
,
与
,
分别相交于
,
两点,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d67a3b297e4308b3683b3760c1c71f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ecb7621ac73d91b5c3a51cf63b5929d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 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
名校
4 . 如图,以
的边
、
为边分别向外作正方形
、
,连接
、
相交于
,
、
相交于
.
(1)从旋转的角度看,
是绕点 逆时针旋转 度,可以得到
;
(2)
与
有何关系,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](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/d498a0467ff3c577a7ed175d7bffd885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341d18ccb14670a1c7364efd33140921.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/26/bc9780b3-08b6-4a13-9bd6-d5864bcf19c9.png?resizew=221)
(1)从旋转的角度看,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
您最近一年使用:0次
名校
5 . 如图,
与
交于点
,
,
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee54b9b398ce80cd054b56173fe810f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d32ac820e9ab572690649f16b87aa273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/bf207b3e-4514-4dde-9ec9-66ce405fd179.png?resizew=123)
您最近一年使用:0次
2023-12-10更新
|
42次组卷
|
2卷引用:四川省泸州市泸县泸县第四中学2023-2024学年八年级上学期期中数学试题
6 . 如图,在
中,
,
为
边上一点,过
作
,分别与
,
相交于点
和点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/bfd1fc72-53da-41b0-8522-ba39537e2549.png?resizew=163)
(1)求证:
;
(2)若
,求证:
.
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8222615f54920eb8b9f35a0fee2f9837.png)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/bfd1fc72-53da-41b0-8522-ba39537e2549.png?resizew=163)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc512283127d0bd2acc0bea0716c642.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faabc484ce3666706c1beffda4bcfe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024dc2ccbbe321774df5d44e8785b203.png)
您最近一年使用:0次
2023-12-10更新
|
71次组卷
|
2卷引用:四川省泸州市合江县合江县马街中学校2023-2024学年八年级上学期期末数学试题
名校
7 .
中,
,
的平分线与
边所夹的锐角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
________ .
![](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/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
您最近一年使用:0次
2023-12-07更新
|
354次组卷
|
13卷引用:四川省泸州市 叙永县属初中教育共同体 2023-2024学年八年级上学期第一次联合考试(12月月考)数学试题
四川省泸州市 叙永县属初中教育共同体 2023-2024学年八年级上学期第一次联合考试(12月月考)数学试题2021年黑龙江省哈尔滨市第六十九中学初四学业质量检测数学试卷(二模)(五四制)河南省开封市兰考县2021-2022学年八年级上学期期末数学试题黑龙江省哈尔滨市南岗区虹桥中学2021-2022学年 九年级上学期数学(五四制)11月阶段性试题福建省泉州市第五中学等五校2022-2023学年八年级上学期期末联考数学试题福建省泉州市2022-2023学年八年级上学期数学期末考试卷甘肃省武威市凉州区武威第十七中学教研联片2023-2024学年八年级上学期11月月考数学试题吉林省长春市朝阳区长春力旺实验初级中学2023-2024学年八年级上学期期中数学试题福建省泉州市五中,七中等七校联合2022-2023学年八年级上学期期末数学试题 重庆市万州第三中学四校联考2023-2024学年八年级上学期12月月考数学试题甘肃省武威市凉州区洪祥镇九年制学校2023-2024学年八年级上学期期末考试数学试题河南省驻马店市泌阳县2023-2024学年八年级上学期期末数学试题河南省郑州市登封市2022-2023学年八年级上学期期末数学试题
名校
8 . 在
中,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bef89ac0dd5ae192cd9c7222d5041b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459459559720ab5e154a80723c47cc30.png)
A.50° | B.45° | C.40° | D.35° |
您最近一年使用:0次
2023-12-02更新
|
72次组卷
|
4卷引用:四川省泸州市泸县泸县第四中学2023-2024学年八年级上学期期中数学试题
四川省泸州市泸县泸县第四中学2023-2024学年八年级上学期期中数学试题河北省保定市安新县2023-2024学年八年级上学期期中数学试题河北省保定市雄县2023-2024学年八年级上学期期中数学试题(已下线)2024年四川省德阳市中考数学真题变式题1-6题
9 . 在
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
____ °.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf7bbcc6deed520368b89c90502dab7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b378b615e9566ad9af39921fa18773f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
您最近一年使用:0次
10 . 如图,在
中,
是
的角平分线,
于点
,若
,
,求
及
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c941a2d467928ae2f430dd7a97e3fba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b03425a93a23e29700719987da4fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/3dcce59a-40b7-4dfc-9f28-cefe863ab893.png?resizew=149)
您最近一年使用:0次
2023-11-29更新
|
93次组卷
|
6卷引用:四川省泸州市江阳区泸南中学校2023-2024学年八年级上学期期中数学试题
四川省泸州市江阳区泸南中学校2023-2024学年八年级上学期期中数学试题陕西省咸阳市渭城区第二初级中学2022-2023学年八年级上学期期末质量检测数学试题(已下线)江苏省泰州市姜堰区南苑学校2022-2023学年七年级下学期数学过关测试3.10山东省滨州市无棣县2023-2024学年八年级上学期期中数学试题(已下线)专题10 平行线的证明(七种考法)-【好题汇编】备战2023-2024学年八年级数学上学期期末真题分类汇编(北师大版)(已下线)专题07 三角形(十二大题型)-【好题汇编】备战2023-2024学年八年级数学上学期期末真题分类汇编(山东专用)