如图,已知线段a.求作
,使
,
,且分别满足下列条件:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/7/76d51a95-7e27-4a03-8882-b234c1cffb32.png?resizew=138)
(1)
.
(2)
的周长等于a.
(要求:尺规作图,保留作图痕迹,写出必要的文字说明.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/7/76d51a95-7e27-4a03-8882-b234c1cffb32.png?resizew=138)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(要求:尺规作图,保留作图痕迹,写出必要的文字说明.)
更新时间:2023-05-04 20:53:01
|
相似题推荐
解答题-作图题
|
适中
(0.65)
名校
【推荐1】如图,在矩形
中,对角线
,
相交于点O,
于点E.
(1)过点C作
于点F(尺规作图,不写作法,保留作图痕迹);
(2)求证
.
![](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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/6/32ab93a5-33b0-4ac3-a721-fb04d624260d.png?resizew=153)
(1)过点C作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac18b0388014ae20b2add2975ef56aa.png)
(2)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2e3236ea30ee2c37928b98041f13a.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】已知
,
,
,
.
(1)尺规作图:求作菱形
,其中点
在线段
上;
(2)判断以
为圆心,2为半径的圆
与直线
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2594e927cb7ed022acc039c3bb136d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/11/f80eefeb-e0df-4618-b01f-40f910307b03.png?resizew=165)
(1)尺规作图:求作菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)判断以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】作图题:
(1)在图1中,画出
关于直线
的对称图形
.
(2)在图2中,已知
和C、D两点,在
内部找一点P,使
,且P到
的两边
、
的距离相等.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/9/c60e9dbd-2d81-4237-9117-fb2a1d0147b6.png?resizew=250)
(1)在图1中,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0edacfddca36b03928f408e623f0973e.png)
(2)在图2中,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed66431681da1db8f7cb0f40cd19201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,在△ABC中,D是AB边上一点,且BC=BD.按下列要求完成尺规作图(保留作图痕迹,不写作法,请标明字母).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/14/a4f654fb-036b-4230-9474-a518b7ff9c3a.png?resizew=214)
(1)作∠ABC的角平分线交CD于点E;
(2)作线段AD的垂直平分线交AD于点F;
(3)连接EF,直接写出线段EF和AC的数量关系及位置关系.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/14/a4f654fb-036b-4230-9474-a518b7ff9c3a.png?resizew=214)
(1)作∠ABC的角平分线交CD于点E;
(2)作线段AD的垂直平分线交AD于点F;
(3)连接EF,直接写出线段EF和AC的数量关系及位置关系.
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,在菱形
中
,
是
的中点.请按要求完成下列作图,
①仅用无刻度直尺,不能用直尺中的直角;②保留作图痕迹
(1)在图1中,过点
作
的平行线,与
交于点
.
(2)在图2中,作线段
的中垂线,垂足为点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b0382c28547d3834ca71f3f0677695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
①仅用无刻度直尺,不能用直尺中的直角;②保留作图痕迹
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/12/4a40d425-3945-48e4-ba06-4dc09fab2441.png?resizew=336)
(1)在图1中,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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)在图2中,作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】如图,在矩形
中.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/7bf4bdb8-b1ec-47c9-9d4e-bb4bf0362100.png?resizew=160)
(1)利用直尺和圆规完成以下基本作图:作
的平分线,交
于点E,过点E作
交
于点F;(保留作图痕迹,不写作法、结论)
(2)在(1)所作的图中,证明:四边形
是正方形(请补全下面的证明过程,不写依据).
证明:∵
,
∴______________
∵四边形
为矩形,
∴
,
∴
.
∴四边形
为______________
∵四边形
为矩形,
∴______________
∴
.
又∵
平分
,
∴______________
∴
.
∴______________
∴四边形
为正方形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/7bf4bdb8-b1ec-47c9-9d4e-bb4bf0362100.png?resizew=160)
(1)利用直尺和圆规完成以下基本作图:作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc90fee532e50d319081d571410421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)在(1)所作的图中,证明:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369eb8ad56da7dc1cdb7c43762be4bee.png)
证明:∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc90fee532e50d319081d571410421.png)
∴______________
∵四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af7f3ef883a66428798c0665810ec71.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76216eec21af5ae4ea1eb0f9043865e.png)
∴四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369eb8ad56da7dc1cdb7c43762be4bee.png)
∵四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
∴______________
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd342e5b3ef70532f9323c5d32e289de.png)
又∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
∴______________
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2cd067e1a0b8f068c10bcf2ba4b69.png)
∴______________
∴四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369eb8ad56da7dc1cdb7c43762be4bee.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】已知:在
中,作
的平分线
,在
上找一点D,使得
,过点D作
,交直线
于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/5/1f8d1fbe-f93a-44dc-8bb4-ed253a9636bb.png?resizew=347)
(1)在图中,依题意补全图形;
(2)用等式写出
之间的数量关系,并给出证明;
(3)如果把作
的平分线
,改为作
的外角
的平分线
,其他条件不变,直接用等式写出
之间的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0e65e147b109f2bbfd3a3f502bbc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0e65e147b109f2bbfd3a3f502bbc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236c134aad7d9a21c49c07e924b9a531.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd657e48b15b9b54a55817e2c26b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/5/1f8d1fbe-f93a-44dc-8bb4-ed253a9636bb.png?resizew=347)
(1)在图中,依题意补全图形;
(2)用等式写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761b31c572c5d2b8561df77e5ae1a38e.png)
(3)如果把作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0e65e147b109f2bbfd3a3f502bbc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bebb16c0ffc99a945619ae0986cadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0e65e147b109f2bbfd3a3f502bbc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761b31c572c5d2b8561df77e5ae1a38e.png)
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解答题-作图题
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适中
(0.65)
【推荐2】如图:已知OA和OB两条公路,以及C,D两个村庄,建立一个车站P,要求车站到OA,OB两条公路的距离相等,且使
为等腰三角形,请作出车站P的位置.
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