尺规作图(只保留作图痕迹,不要求写出作法),如图,已知
ABC,且AB>AC.
(1)在AB边上求作点D,使DB=DC;
(2)在AC边上求作点E,使
ADE∽
ACB.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
(1)在AB边上求作点D,使DB=DC;
(2)在AC边上求作点E,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/4a7fda56-3f12-4e4b-87c4-2acddeca0cc4.png?resizew=151)
2021·广西贵港·中考真题 查看更多[12]
广西贵港市2021年中考数学真题福建省宁德市周宁县2021-2022学年九年级上学期期中数学试题福建省福州第十八中学2021-2022学年九年级下学期4月月考数学试题(一模)(已下线)押福建卷20题(尺规作图与证明)-备战2022年中考数学临考题号押题(福建卷)山东省淄博市博山区2021-2022学年八年级下学期期末数学试题(已下线)第24课 相似三角形的性质 利用相似三角形测高-2022-2023学年九年级数学上册课后培优分级练(北师大版)(已下线)第二节 尺规作图01技法提练京改版数学九年级上册第18章相似形单元测试卷江苏省扬州市广陵区扬州中学教育集团树人学校2023-2024学年九年级上学期9月月考数学试题(已下线)专题4.40 图形的相似(全章直通中考)(基础篇)-2023-2024学年九年级数学上册基础知识专项突破讲与练(北师大版)(已下线)专题4.30 相似三角形的性质(直通中考)-2023-2024学年九年级数学上册基础知识专项突破讲与练(北师大版)2023年广西中考数学模拟预测题二
更新时间:2021-07-05 08:41:07
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解答题-作图题
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【推荐1】尺规作图:如图所示,以
为顶点,作
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.(保留作图痕迹)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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解答题-作图题
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【推荐2】完成下列各题.
(1)如图,利用尺规作图;过点B作直线
,使
.(要求:不写作法保留作图痕迹).
(2)若设
与
交于点C,
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.
(1)如图,利用尺规作图;过点B作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
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(2)若设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
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解答题-作图题
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【推荐1】如图,在
中,
为
边上的中点,连接
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解答题-作图题
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【推荐2】已知矩形
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解答题-证明题
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【推荐1】同一平面内,将两个全等的等腰直角三角形
和
摆放在一起,A为公共顶点,
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固定不动,
绕点A旋转,
、
与边
的交点分别为D、E(点D不与点B重合,点E不与点C重合).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/35a9e63d-ddb2-4172-807b-316593914f10.png?resizew=146)
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de949c9e2b0bafc8393b7a91fc4df19.png)
(2)则
的值为______.
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(1)求证:
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(2)则
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解答题-问答题
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【推荐2】如图,在
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(1)在图1中画格点
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(2)在图2中画格点
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在答题纸上.)
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(1)在图1中画格点
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(2)在图2中画格点
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