如图,已知点
,
,
,
在一条直线上,
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439fbb8974a5f907205d26b47b420bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd81adb13f5a7550b0f94f770900a613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c55ee522f41c43253050e92b3c8de31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adaae99b4ac308549134169e69247a6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/af343f6a-bb8d-493b-85a5-f00737cc733a.png?resizew=156)
更新时间:2024-03-12 23:53:35
|
相似题推荐
解答题-证明题
|
较易
(0.85)
名校
【推荐1】如图,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/22/45494af4-b8e5-4334-a422-1ee96a3f29c6.png?resizew=216)
(1)求证:
;
(2)若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ada91e73529bcb77ada4f0563ec95d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d1717b5311ed602f1730e86d9322647.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/22/45494af4-b8e5-4334-a422-1ee96a3f29c6.png?resizew=216)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa38e1cff9475527c89cfb1064560e8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f24745721b6539d6dd96bbcfbe31e79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4811d0ed42c77bea465460ba55c9adc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】请把以下说理过程补充完整:
如图,AB∥CD,∠C=∠D,如果∠1=∠2,那么∠E与∠C互为补角吗?说说你的理由.
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958728039800832/2961797130518528/STEM/99f7229a-da65-4221-85d5-47a1837cbb8f.png?resizew=159)
解:因为∠1=∠2,
所以EF∥ 根据 ,
又因为AB∥CD,
所以EF∥ 根据 ,
所以∠E+ = °根据 ,
又因为∠C=∠D,
所以∠E+ = °根据 ,
所以∠E与∠C .
如图,AB∥CD,∠C=∠D,如果∠1=∠2,那么∠E与∠C互为补角吗?说说你的理由.
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958728039800832/2961797130518528/STEM/99f7229a-da65-4221-85d5-47a1837cbb8f.png?resizew=159)
解:因为∠1=∠2,
所以EF∥ 根据 ,
又因为AB∥CD,
所以EF∥ 根据 ,
所以∠E+ = °根据 ,
又因为∠C=∠D,
所以∠E+ = °根据 ,
所以∠E与∠C .
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】萱萱与爸爸妈妈在操场上荡秋千.如图,萱萱坐在秋千上的起始位置A处,起始位置
与地面垂直,两脚在地面上用力一蹬,妈妈在B处接住她;妈妈用力一推,爸爸在C处接住她.若妈妈与爸爸到秋千起始位置
的水平距离
分别为
和
,
,
(1)
与
全等吗?请说明理由;
(2)请求出FG的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b22da2ea539365998c2a971c1e4e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f91db9634c004d1eb1d0301b2c2813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8ba0239d4a1ac1c33e7a54ef728fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886c25cbaff27a9c4cf52dacec0eac4c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/30/1c48f059-07ee-4eb3-bb23-e649c90892f9.png?resizew=206)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db69fa49e85e466d39e00575a202a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c525358262126a51fbb598d58f3e1a.png)
(2)请求出FG的长.
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】已知:如图A、E、B在一条直线上,B、D、C在一条直线上,且
,
,
交
于F点,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/aee60b14-9e0e-4ecb-836a-2ee9f3aac4da.png?resizew=130)
(1)求证:
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a55b6ce55e67f6e95e616eaf1ca3f6f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/aee60b14-9e0e-4ecb-836a-2ee9f3aac4da.png?resizew=130)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1393308bc68322f50fa29702dd412263.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6b27bd5f1437c638082a7eec033b4c.png)
您最近一年使用:0次