1 . 如图,在
中,
,
平分
,
.
(1)求
的度数;
(2)若
,垂足为
,
交
于点
,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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afba63c9ddb4c2d8106846bffc3f29ed.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/4522cd98-15d0-42db-9d2e-978967572300.png?resizew=97)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70734a8e672376bb0bd1522e229f86a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
您最近一年使用:0次
2024-01-02更新
|
80次组卷
|
5卷引用:天津外国语大学附属滨海外国语学校2023-2024学年八年级上学期期中数学试题
2 . 如图,在
中,
是
边上的高,
平分
交
于点E,
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258c6eb3d77424310cf6138785b8f307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be4fdf6135d006b510116ba34e77f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/b7ae7630-33a4-4c3b-8280-e35978e63fe5.png?resizew=140)
您最近一年使用:0次
3 . 如图,AD是
的高,
平分
交
于点E.若
.求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118616141f84ef0613af03880567b56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/6/f4d21e80-a640-43b5-b650-2c2e793c36c0.png?resizew=123)
您最近一年使用:0次
4 . 在
中,
(1)如下图所示,如果
,
和
的平分线相交于点P,那么
__________;
和
的平分线相交于点P,试说明
;
和
的平分线相交于点P,猜想
与
的关系,直接写出答案,不用证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(1)如下图所示,如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1de94901207fc22febd4bf4760fd970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b3909dc4c1b27dec218126783dd3d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76bc8e50eeccced1d7f3bc52e09a7d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db866ecc0c098bfc32ec8a43b65bdd58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0433f8116768b42642a7f7e5977ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
您最近一年使用:0次
2023-12-10更新
|
232次组卷
|
5卷引用:天津市津南区南部学片联考2023-2024学年八年级上学期期中数学试题
天津市津南区南部学片联考2023-2024学年八年级上学期期中数学试题11.2 与三角形有关的角山东省潍坊市昌乐县2023-2024学年八年级上学期期末数学试题山东省潍坊市寿光市2023-2024学年八年级上学期期末数学试题(已下线)考题猜想1-2 平面图形的认识(二)(压轴题,三角形的九大经典模型)-2023-2024学年七年级数学下学期期末考点大串讲(苏科版)
5 . 如下图,某市有一块有三条马路围成的三角形绿地
,现准备在绿地中建一个小亭供人小憩,使小亭中心到三条马路的距离相等.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/f3f9210c-542a-4c4a-a326-1650c8be49c5.png?resizew=139)
(1)试在上图中确定小亭的中心位置P,请保留作图痕迹;
(2)若已知
,则
______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/f3f9210c-542a-4c4a-a326-1650c8be49c5.png?resizew=139)
(1)试在上图中确定小亭的中心位置P,请保留作图痕迹;
(2)若已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae216b81637a3c5d865a4fca39e8f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e1e8d3e9fe016f1581fc5d16c36d12b.png)
您最近一年使用:0次
6 . 已知,在四边形
中,
为
、
的角平分线交点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e85ffd5561abdc54d2d6b2feafb8ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7465c9579ab77cb495f52792bfa4658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4da037fe7fa1dff1116c17df53a99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194d45adfe81c96c83cb6c307d855255.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/28/ca8bfe01-bb15-4837-8c65-de1c964b8c71.png?resizew=126)
您最近一年使用:0次
2023-11-24更新
|
86次组卷
|
2卷引用:天津市建华中学2023-2024学年八年级上学期期中数学试题
名校
7 . 在
中,
,
是斜边
上的高.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/efec30d3-7015-4cd6-b491-6a72bb39ba6e.png?resizew=330)
(1)如图1,若
是中线,
,填空:
①则
与
的周长差为______;
②则高
的长为_______;
(2)如图2,若
是角平分线,
,求
的度数.
![](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/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/efec30d3-7015-4cd6-b491-6a72bb39ba6e.png?resizew=330)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc388a8aed1643f77c034e6e8eed2f1f.png)
①则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
②则高
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce6c8659bfef1f79b0796d500b924a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fc8bfdbf2a7e4ab5ef262b20611785.png)
您最近一年使用:0次
8 . 如图所示,在
中,
平分
,
是高线,
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86b0118d4adeaf60493d13854fffc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456e0f77d83975fdbdb60b499cb5b521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a546500fc51cf646a0ec0a799d62f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/7/5fa4d708-ec53-4a2c-9add-6a6d1b28a142.png?resizew=122)
您最近一年使用:0次
9 . 如图,在
中,
是高,
,
是角平分线,它们相交于点
,
,
,求
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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456e0f77d83975fdbdb60b499cb5b521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76ffd241623ec4ee9fd08876464def3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/5863c5a2-8b18-4fcb-9661-410a5e196726.png?resizew=138)
您最近一年使用:0次
名校
10 . 如图,在
中,
是角平分线,点D在边
上(不与点A,B重合),
与
交于点O.
(1)若
是中线,
,
,则
与
的周长差为 ;
(2)若
,
是高,求
的度数;
(3)若
,
是角平分线,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/bda6a55d-8001-4f94-8138-42db5bca5659.png?resizew=136)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0722b363551b3bc23b6fc1ebacc6be9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af13412c83dbbaf7831832e3a10afcef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
您最近一年使用:0次
2023-10-15更新
|
345次组卷
|
9卷引用:天津市红桥区2023-2024学年八年级上学期期中数学试题
天津市红桥区2023-2024学年八年级上学期期中数学试题河北省保定市高碑店市第二中学2022-2023学年七年级下学期第二次月考数学试题湖南省永州市道县绍基学校2022- 2023学年八年级上学期月考数学试题福建省福州市鼓楼区杨桥中学2023-2024学年八年级上学期期中模拟数学试题浙江省金华市义乌市宾王中学2023-2024学年八年级上学期10月月考数学试题湖北省天门市七校联考2023-2024学年八年级上学期月考数学试题河北省邯郸市第二十三中学2023-2024学年八年级上学期月考数学试题山东省临沂市莒南县2023-2024学年八年级上学期10月月考数学试题安徽省亳州市利辛县2023- 2024学年八年级上学期第三次联考数学试题