按要求解题:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/4b18a484-36f0-42fb-b158-d69e31ca8728.png?resizew=89)
(1)如图,已知A、B、M、N四点,读下列语句,按要求作出图形(不写作法);
①作线段
,射线
,直线
,且射线
与直线
相交于点P;
②在线段
的延长线上取点C,使
;
(2)在图中,若
,D为
的中点,E为
的中点,求
的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/4b18a484-36f0-42fb-b158-d69e31ca8728.png?resizew=89)
(1)如图,已知A、B、M、N四点,读下列语句,按要求作出图形(不写作法);
①作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
②在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151f7aef7d0f56e18562f5a4030cf815.png)
(2)在图中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df3b2901ad26337818f75e81448ebb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
更新时间:2024-04-09 14:11:59
|
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解答题-作图题
|
适中
(0.65)
【推荐1】如图,
为
的直径,
是弧
的中点,
是
上一点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/7/4c182354-9b63-48f7-a86c-d5d77bac2376.png?resizew=156)
(1)请按以下步骤作图:
①连接
;
②以点
为圆心,线段
的长为半径作弧,交弧
于点
;
③连接
并延长到点
,使得
;
④连接
,
.
(2)判断
与
的位置关系并证明.
(3)在(1)的条件下,假设点
从点
出发绕点
顺时针旋转
,当
时,以点
为顶点的四边形是菱形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/7/4c182354-9b63-48f7-a86c-d5d77bac2376.png?resizew=156)
(1)请按以下步骤作图:
①连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
②以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
③连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68626ff6f5bc80d686e23b4c05b1f5a2.png)
④连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(3)在(1)的条件下,假设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05df5a26c2b978503e93efa040b99508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbe35e6c9a23deffc16da56408cdb31.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,已知线段AB.
![](https://img.xkw.com/dksih/QBM/2022/3/30/2947478563545088/2949261466525696/STEM/b029a312-ca9f-42db-b9a0-156a21acc12e.png?resizew=384)
(1)画图:在线段AB的反向延长线上取一点C,使
,再取AB中点D;(注:画图方式不限,但须使用作图工具规范画图)
(2)若
,求C,D两点的距离.
![](https://img.xkw.com/dksih/QBM/2022/3/30/2947478563545088/2949261466525696/STEM/b029a312-ca9f-42db-b9a0-156a21acc12e.png?resizew=384)
(1)画图:在线段AB的反向延长线上取一点C,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8520a21b909d04f763d0f61dd74bc158.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df3b2901ad26337818f75e81448ebb5.png)
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解答题-问答题
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适中
(0.65)
【推荐1】如图,已知A、B、C、D四个点.
(1)①画直线AB、CD相交于点P;
②连接AC和BD并延长AC和BD相交于点Q;
③连接AD、BC相交于点O;
(2)以点C为端点的射线有________条;
(3)以点C为一个端点的线段有________条.
(1)①画直线AB、CD相交于点P;
②连接AC和BD并延长AC和BD相交于点Q;
③连接AD、BC相交于点O;
(2)以点C为端点的射线有________条;
(3)以点C为一个端点的线段有________条.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/f6ab199b-bdb3-467b-9a7c-4f01d3e63703.png?resizew=115)
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解答题-问答题
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适中
(0.65)
【推荐2】如图,在同一平面内有四个点A、B、C、D,请按要求完成下列问题.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/6/07abdd29-b8b5-4325-a099-6ad06d0b1ffb.png?resizew=123)
(1)分别连接
,作射线
,作直线
与射线
相交于点O;
(2)判断
与
的大小关系:
___________
.(填“
”、“
”或“
”)理由是___________.
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(1)分别连接
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c760db19b0826e4542f132adeabae414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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解答题-计算题
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适中
(0.65)
【推荐1】如图①、②所示,线段
,线段
,点E是BC的中点,设
.
![](https://img.xkw.com/dksih/QBM/2022/1/12/2900025655025664/2970849732206592/STEM/2fa1eb7c-9e05-405d-a912-358febe41cea.png?resizew=242)
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(1)当
时,则DE的长为______.
(2)在图①中,计算DE的长度(用含a的式子表示)
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(1)当
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(2)在图①中,计算DE的长度(用含a的式子表示)
(3)将图①中的线段CD向右移动到图②的位置.
①直接写出线段AC与线段DE满足的数量关系.
②在线段AC上有点F,满足
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解答题-问答题
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适中
(0.65)
【推荐2】(1)如图,若
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,且D点是
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的长.
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(2)如图,长方形
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上的点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6a23d521606a35298bbf147f7f830c.png)
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