如图所示,
,
,
,
的平分线与
的延长线交于点
.
(1)请你判断
与
的位置关系,并说明理由;
(2)
的平分线交
于点
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467a71e07b0e1fa31d76b1e4fbc714cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fac56d245d92dc9747953b04c78c02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a822f5a5c638373d945fd76361ba1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)请你判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f2976297a0deaa1602ef09d6a5afa.png)
![](https://img.xkw.com/dksih/QBM/2020/10/27/2579825299259392/2580581801771008/STEM/19439bd3-e222-4ff3-b0a4-033c39fd23ec.png?resizew=299)
更新时间:2020-10-28 09:10:01
|
相似题推荐
解答题-问答题
|
容易
(0.94)
名校
【推荐1】如图,在
中,
为角平分线,D为边
上一点(不与点A,B重合),连接
交
于点O.
(1)若
,
为高,求
的度数;
(2)若
,
为角平分线,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/2023/10/19/bb115674-3dc2-4413-a204-eb1faee665b7.png?resizew=204)
(1)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)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09708997078395c1fbb319129f058eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
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容易
(0.94)
【推荐2】如图,已知
和
都是等边三角形,点
、
、
在同一直线上,延长
交边
于点
,联结
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/c1ebcea4-32df-40c5-8033-e0c829ffb9ac.png?resizew=248)
(1)试说明![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f517953a21c2a45fd8465072c44bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7465c3848d832ec772b6c1510d61aa59.png)
的理由;
(2)延长
交
于点
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/c1ebcea4-32df-40c5-8033-e0c829ffb9ac.png?resizew=248)
(1)试说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f517953a21c2a45fd8465072c44bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7465c3848d832ec772b6c1510d61aa59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c6a5338354809d138830554d7cb2f2.png)
(2)延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cbd0aed61f9f50d4825cc0eccd5754c.png)
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【推荐1】如图,在
中,
是高,
,
分别是
,
的角平分线,它们相交于点
,
,
,求
和
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df61422a29b5914c2c84a2e0481c5c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d4636d255b63d945d25768314810c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1a414db8289f115b76f5ed176e2235.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/3/e2d1413c-58b8-488d-87c9-9991cdb957fd.png?resizew=125)
您最近一年使用:0次
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【推荐2】如图,在△ABC中,∠BAC=40°,∠B=75°,AD是△ABC的角平分线,求∠ADB的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/51399de9-f5d7-43ef-a0e9-4785f5e81778.png?resizew=159)
您最近一年使用:0次