1 . 如图,在四边形
中,
,连接
,点
在
上,连接
.若
,
.
(1)试说明:
;
(2)若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e9ac483e4c87ee716597262e99e95c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42218a68301d770accaaefb96b19f8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/15/aa7efa4e-1e2d-4098-91c7-a95979292b37.png?resizew=182)
(1)试说明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0ce914a50f5376766d5065e5f13d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cbd30a5c0e04320f794863c4ebfc006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
您最近一年使用:0次
2 . 如图,将长方形纸片
沿
折叠后,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b407ae418a5c5d7b2185cfeaed1cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 如图,在
中,
,
,
平分
交
于点
,
平分
交
于点F,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805cc4a62d2621c24c3104b8c1da6887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f11238f1dc67600365d1689216cc62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
您最近一年使用:0次
4 . (1)如图1,
,
为平面内一点,
,小颖认为若过点
作
,很容易说明
和
互余.请你帮小颖写出具体的思考过程.
(2)如图2,
,点
在射线
上运动,当点
运动到点
与点
之间时,试判断
与
,
之间的数量关系,并说明理由;
(3)在(2)的条件下,当点
在射线
上的其他地方运动时(不与点
重合),请直接写出
与
,
之间的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f29779edb82350349f2c4883180f0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7c813e0ca36b64d9bb8e2698b30749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76e136e7df3692ae6536fc70b6961a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7eefad280b3c7c7db88ac005c7e583.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/13/997f0e6f-0361-4355-a91a-e5937d1f6cb6.png?resizew=118)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7890f747854b8fcf25dcff1991fb84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76e136e7df3692ae6536fc70b6961a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7eefad280b3c7c7db88ac005c7e583.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/13/650002e8-dab5-43db-bcdc-e4a0bd793c36.png?resizew=143)
(3)在(2)的条件下,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4c38a4e43d35410eb96b0ca1026ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7890f747854b8fcf25dcff1991fb84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76e136e7df3692ae6536fc70b6961a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7eefad280b3c7c7db88ac005c7e583.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/13/6414a3fc-cf83-4ecd-968d-37a296d65d24.png?resizew=144)
您最近一年使用:0次
5 . 如图,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
,
,
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa1e401b2e1bd96ff22e0c1c241f0ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9667032ec704927b9a3dcd2d73e6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5198f515bdec03081a5932e67e84bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
A.![]() | B.![]() | C.7![]() | D.![]() |
您最近一年使用:0次
6 . 如图,
、
在平行四边形
的对角线
上,
,
,
,则
的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf2ee47dda2f39a856411c7d3f279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40ce07f7c4655d05759466062ef8eebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb476b0dac9799c720354d30b3a85c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9d36476ec148937f6ed37d2dc461cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-07-06更新
|
56次组卷
|
2卷引用:安徽省宿州市泗县2022-2023学年八年级下学期期末数学试题
7 . 如图,已知
,
.
与
是否平行,并说明理由;
(2)若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee73452ee4d5437f1399f1235b95e55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ea5d581e0305727d96bcaf3a1d4048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cad8cfb5050bbc79ae5798132c11236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3393b3590c1b09bca24ee67cfb592315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
您最近一年使用:0次
2023-07-06更新
|
77次组卷
|
3卷引用:安徽省滁州市全椒县2022-2023学年七年级下学期期末数学试题
安徽省滁州市全椒县2022-2023学年七年级下学期期末数学试题安徽省滁州市2022-2023学年七年级下学期期末数学试题(已下线)专题10相交线与平行线的判定8种常考题型归类【好题汇编】-备战2023-2024学年七年级数学下学期期末真题分类汇编(安徽专用)
真题
名校
8 . 将一副三角板按下图所示摆放在一组平行线内,
,
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619966af5abba968962c958a9facb22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615c891c931323fc44eae27d03cd0bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f2976297a0deaa1602ef09d6a5afa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-28更新
|
1112次组卷
|
13卷引用:2024年安徽省池州市中考联考二模数学试题
2024年安徽省池州市中考联考二模数学试题2023年黑龙江省绥化市中考数学真题(已下线)专题20相交线与平行线(优选真题60道)-学易金卷:三年(2021-2023)中考数学真题分项汇编【全国通用】(已下线)专题5.27 相交线与平行线(直通中考)(提升练)-2023-2024学年七年级数学下册基础知识专项突破讲与练(人教版)江苏省徐州市睢宁县2023-2024学年七年级数学下学期3月月考试题2024年河北省衡水市中考一模数学试题山东省淄博市淄川区2023-2024学年七年级下学期期中数学试题2024年山东省淄博市淄川区中考二模数学试题2024年广东省深圳市松岗中学中考模拟数学试题2024年甘肃省酒泉市初中学业水平考试模拟试卷数学(三)2024年甘肃省定西市岷县九年级下学期第三次学情检测数学试题(已下线)暑假作业04 平行线模型及动态问题-【暑假分层作业】2024年七年级数学暑假培优练(北师大版)2024年江苏省扬州市京华梅岭中学中考三模数学试题
9 . 如图,点
,
,
,
在一条直线上,
与
交于点
,
,
,则可以推出
.请同学们完成下面的推理.
(已知)
所以
所以
( )
又因为
( )
所以
( )
所以
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a6f7181575bd5becf5937033201c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22facbd7894b1dcaf6a985e99f33f025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b333110550208ffce4ec642f78075f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a6f7181575bd5becf5937033201c15.png)
所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc521258fcaeaf7acffc5ae98c3af6d9.png)
所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc8f6d78dc2aeddcff5f17908bb7198c.png)
又因为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22facbd7894b1dcaf6a985e99f33f025.png)
所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ca0c56858548d26b4bfec41af49fbe.png)
所以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b333110550208ffce4ec642f78075f.png)
您最近一年使用:0次
10 . 如图,
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a43dbc34ef66ab571155aece348709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f2976297a0deaa1602ef09d6a5afa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/23/477307c2-1706-41f5-a6c5-564f72ecc780.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-21更新
|
157次组卷
|
2卷引用:2023年安徽省六安市霍邱县中考二模数学试题