如图,已知
,
,点Q是射线
上一动点(与点B不重合),
,
分别平分
和
,分别交射线
于点E,F.
的度数;
(2)点Q在运动过程中,
与
之间的数量关系是否随之发生变化?若不变化,请写出它们之间的关系,并说明理由;若变化,请写出变化规律;
(3)点Q在运动过程中,当
时,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceb5cc71fc50f20649f6b9535fd914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bef89ac0dd5ae192cd9c7222d5041b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca0db96ed36d4b7aa1e9841c30c0e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/676d4c91de45b930cfd388fec5019fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e31edc5b71c488ca9942d70d9298f01.png)
(2)点Q在运动过程中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65aa6b9cb7f13ed4577207129223295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f832c7fb2ef808457e2543466cbc1f5.png)
(3)点Q在运动过程中,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840ed10faac81a3843bddb0184fff37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060705794ef87cc71dac40c57f27b1d2.png)
23-24七年级上·四川眉山·期末 查看更多[2]
更新时间:2024-01-23 16:49:54
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】如图,线段
与线段
平行,P是平面内一点,连接
,射线
分别平分
.
的延长线上时:
①在图1中,依题意补全图形;
②请直接写出直线
与直线
的位置关系:___________;
(2)如图2,当点P在直线
与直线
之间时,射线
,
交于点Q,探究
与
的数量关系,并证明;
(3)若直线
与直线
平行,请直接写出点P的位置:___________.
![](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/c1fe462dd495948ac5772e5e640607e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344e0b12ec49678ddcc88b4db53cb413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a763f2c2309c4d304aead72dc92ca9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
①在图1中,依题意补全图形;
②请直接写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
(2)如图2,当点P在直线
![](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/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19768d8c55deb4973820aeab7a224e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b2af99e51b5802da071a079adef40b.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
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解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图,∠AOB=30°,∠BOC=3∠AOB,OD平分∠AOC.
(1)求∠AOC的度数;
(2)试求∠BOD的度数.
(1)求∠AOC的度数;
(2)试求∠BOD的度数.
![](https://img.xkw.com/dksih/QBM/2019/12/5/2348628783079424/2350144005120000/STEM/a4f6be3aafdc436f93387139d56488e0.png?resizew=182)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,已知
,
.点P是射线AM上一动点(与点A不重合)、BC,BD分别平分
和
,分别交射线AM于点C,D.
的度数.
(2)当点P运动到使
时,
的度数是多少?为什么?
(3)当点P运动时,
与
之间的数量关系是否随之发生变化?若不变化.请写出它们之间的关系,并说明理由;若变化,请写出变化规律.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7dc7451e667ad77a26e75ce11e709e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9cc98e6df306063e645044f0faa7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fed9a763c7c81004fde8f4f9693d2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76bc8e50eeccced1d7f3bc52e09a7d03.png)
(2)当点P运动到使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56da880ea1c9760023f70fd0ede58a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
(3)当点P运动时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868ff1350bd72625328c85c3097cd85e.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】如图,在四边形
中,
,点E是
的中点,连接
并延长,交
的延长线于点F,点G在边
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/8a6830cd-44f7-468e-a2e5-a65240514f96.png?resizew=207)
(1)求证:
;
(2)连接
,判断
与
的位置关系,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceb5cc71fc50f20649f6b9535fd914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dad09565fbe5c71a89faf94852dd2c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/8a6830cd-44f7-468e-a2e5-a65240514f96.png?resizew=207)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c834a2ede139af87f2d1516b476a5f.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】在
中,点D是
延长线上的一点,过点D作
,
和
的平分线交于点G.
(1)如图1,若
,求出
的度数;
(2)如图2,若
,试判断
与
的数量关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d021981c03e75b1a246d899dcc64656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/16/15d9d699-f6c5-42b2-be4d-009526cb1940.png?resizew=295)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4a2dc9c0cdeaa815448f5f1c08dc607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e0a272aa29c4531aac22f28c64baf5.png)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d32993a87a53ae4aab52e8c717aa68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1e0a272aa29c4531aac22f28c64baf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
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解答题-问答题
|
适中
(0.65)
名校
【推荐2】如图①,
和
的平分线交于点O,
经过点O且平行于
,分别与
、
交于点E、G.
,
,则
度,
度,
度.
(2)若
,则
度.
(3)如图②,
和
的平分线交于点O,
经过点O,分别与
、
交于点E、G.若
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e5fa6b13329549b1d7eb94b637d4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb73f5d39d64c5ee81cf86bdd2ed98e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd20bc4ccaf968bdaa8f8cc78dd82b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb07f28eba6490e87770847ac9f1fd83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08991e33572d0a7a830db8de33b88fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af80ce70e3716fbfaee555dff61513d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ed175720e86a9776bff2f198ba242b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd718c27c7a66981097c535ece3289cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ed175720e86a9776bff2f198ba242b.png)
(3)如图②,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e5fa6b13329549b1d7eb94b637d4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46804e60f4e177217f93093a1d639a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5bcf32d3748ec982176e2e108b4786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e626b349f9aadfa85af17aeb0e1f0432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cbf7497299f7f6c496c536bf949e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f6cce6e8470961c21d5cbbde1ed224.png)
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解答题-问答题
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适中
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名校
【推荐1】如图,EO⊥CO于点O,∠B=30°,∠E=40°,求∠OAD的度数.
![](https://img.xkw.com/dksih/QBM/2017/11/8/1812817865416704/1813692751331328/STEM/b3118a8cc490463c8d3f5ddb2aeaba13.png?resizew=188)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】已知
,点
、
分别在直线上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/13/62939f39-7394-424a-8102-96dac45db222.png?resizew=661)
(1)如图
,请直接写出
、
、
三个角满足的数量关系______.
(2)如图
,分别作
与
的角平分线,交于点
,探索
与
的数量关系并予以证明.
(3)在图
中完成作图并填空:分别作
与
的角平分线,交于点
,过点
作
,设
,请直接写出
的度数(用含
的式子表示) ______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ddf9142d06c526d281b0d8110b6ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/13/62939f39-7394-424a-8102-96dac45db222.png?resizew=661)
(1)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db866ecc0c098bfc32ec8a43b65bdd58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c337e4b1f98e4fa86c461365308b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31123a003f9c8be58e0d78399e43c14a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e8c257f5615d30660cef4157c6b273.png)
(3)在图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db866ecc0c098bfc32ec8a43b65bdd58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04bb78b6df6e4eceb22d3ccc0b7a6e9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7123fba1c19326e3f3050c9287ff44c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10001e519f5b44a462e3b3ff42681257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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