画图并解答:
如图,
是
内一点.按要求完成下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/20/47673f30-dfb5-4a6d-a987-7d14d7101999.png?resizew=139)
(1)过
作
的垂线,垂足为点
;
(2)过点
作
的平行线,交
于点
:再过
作
的垂线段,垂足为点
;
(3)判断
与
的位置关系是:______.
如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/20/47673f30-dfb5-4a6d-a987-7d14d7101999.png?resizew=139)
(1)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
21-22七年级下·北京·期中 查看更多[3]
北京市北京师范大学亚太实验学校2021~2022学年七年级下学期期中数学试卷(已下线)专题5.2 平行线及其判定-【帮课堂】2022-2023学年七年级数学下册同步精品讲义(人教版)江西省赣州市经开区2022-2023学年七年级下学期期中数学试题
更新时间:2022-09-20 10:44:42
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解答题-问答题
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【推荐1】如图,直线
与
相交于
,
,
分别是
,
的平分线;
![](https://img.xkw.com/dksih/QBM/2022/7/3/3014338361008128/3080436409769984/STEM/6a4e15d2592045079367850b910c4ff5.png?resizew=172)
(1)若
,求
和
的度数;
(2)试问射线
与
之间有什么特殊的位置关系?为什么?
![](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/1dde8112e8eb968fd042418dd632759e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7307ac7510cf35f74337d368b94da4e5.png)
![](https://img.xkw.com/dksih/QBM/2022/7/3/3014338361008128/3080436409769984/STEM/6a4e15d2592045079367850b910c4ff5.png?resizew=172)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c010999911d55375ce36d40e8711743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
(2)试问射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
您最近一年使用:0次
解答题-作图题
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较易
(0.85)
【推荐1】根据语句画图,并回答问题.如图所示,点
为
内一点,点
为
外一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/86eea24a-dfc5-4b63-adc1-d5250f12746f.png?resizew=167)
(1)过点
作
交
于点
.
(2)过点
作
垂足于点
,交
于点
.
(3)猜想
与
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/86eea24a-dfc5-4b63-adc1-d5250f12746f.png?resizew=167)
(1)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3f083d5949537e46bb0547d8c0c2174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fdddcd8882d30ec3e1bf8349cde6fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(3)猜想
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c118858379800688c993a8b61270b356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
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解答题-作图题
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【推荐2】(1)先化简,再求值:
,其中
,
.
(2)已知平面上三点A、B、C.请按下列要求画出图形:
,射线
,线段
;
②过点C画直线
,使
;
③画出点C到直线
的垂线段
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/580c65ef5c1f7bfc2c61a3918f6197af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce4430b8b9b0c78de693513a7f88915.png)
(2)已知平面上三点A、B、C.请按下列要求画出图形:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
②过点C画直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
③画出点C到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
【推荐1】如图,按要求画图并完成下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/e21e5e50-b9f0-428c-96a8-41bed333b397.png?resizew=136)
(1)过点A画线段
的垂线,垂足为D;
(2)过点D画线段
,交
的延长线于点E;
(3)不添加其他字母,写出
的内错角.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/e21e5e50-b9f0-428c-96a8-41bed333b397.png?resizew=136)
(1)过点A画线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)过点D画线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066cd386723885c535ea720f5817847a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(3)不添加其他字母,写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd1bc0388e7fad3e849ca39c67f5034.png)
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解答题-作图题
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【推荐2】如图,点A、B、C是5×5方格纸上的格点,方格纸上每个小正方形的边长为1.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/27/fcb29bb4-0e09-44ae-9b28-340cc4f3e543.png?resizew=165)
(1)请标出格点D,并画出直线CD,使得
;
(2)请标出格点E,并画出直线CE,使得
;
(3)试求出
的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/27/fcb29bb4-0e09-44ae-9b28-340cc4f3e543.png?resizew=165)
(1)请标出格点D,并画出直线CD,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16aad38b43462ca7a8fb9bc9484ad3a0.png)
(2)请标出格点E,并画出直线CE,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f913298f0fae9f55377a8deab9f099dd.png)
(3)试求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
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