如图,在
中,
,
,
,以点A为圆心,
长为半径画弧,交
于点D,再分别以B、D为圆心、大于
的长为半径画弧,两弧交于两点M、N,作直线
分别交
、
于点E、F,则线段
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81613520ab5a478f0b2616a9bcb79d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](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/85c4bdfb0db1e31e8459df1d15f9ab55.png)
A.1 | B.![]() | C.2 | D.![]() |
23-24九年级下·湖南株洲·期中 查看更多[4]
湖南省株洲市醴陵市2023-2024学年九年级下学期期中数学试题2024年湖南省株洲市中考模拟数学试题湖南省株洲市2024年初中学业水平考试模拟检测数学试题卷(已下线)专题01 直角三角形(8大题型+优选提升题)-备战2023-2024学年八年级数学下学期期末真题分类汇编(湖南专用)
更新时间:2024-04-30 09:48:46
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【推荐1】下列画图语句中,正确的是( )
A.画射线OP=3 cm | B.画出A、B两点的距离 |
C.画出A、B两点的中点 | D.连结A、B两点 |
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【推荐2】如图1,▱ABCD中,AD>AB,∠ABC为锐角.要用尺规作图的方法在对边AD,BC上分别找点M,N,使四边形ANCM为平行四边形,现有图2中的甲、乙、丙三种方案,则正确的方案( )
A.只有乙、丙才是 | B.只有甲,丙才是 |
C.只有甲,乙才是 | D.甲、乙、丙都是 |
您最近一年使用:0次
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【推荐1】如图,
的垂直平分线
交
于点P,且
.甲、乙两人想在
上取D,E两点,使得
,其作法如下:甲作
的平分线,分别交
于D,E两点,则D,E即为所求;乙作
的垂直平分线,分别交
于D,E两点,则D,E即为所求.对于甲、乙两人的作法,下列判断正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/aac488df-e18f-4b72-a06d-fe69171c676c.png?resizew=237)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/26/aac488df-e18f-4b72-a06d-fe69171c676c.png?resizew=237)
A.乙正确,甲错误 | B.两人都错误 |
C.乙错误,甲正确 | D.两人都正确 |
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【推荐2】如图,在
中,
,DE垂直平分AB,分别交AB,BC于点D,E,连接CD,若
,
,则
的面积为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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A.5 | B.8 | C.10 | D.16 |
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【推荐1】如图,在
中,按以下步骤作图:①分别以点
,
为圆心,以大于
的长为半径画弧,两弧分别交于M,N两点;②作直线MN,分别交BC,AC于点D,
,连接
.若
,
,
,则
的周长是( )
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A.![]() | B.![]() | C.![]() | D.![]() |
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名校
【推荐2】如图,在
中,
,依据尺规作图痕迹,下列判断正确的是( )
结论Ⅰ:
; 结论Ⅱ:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
结论Ⅰ:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c697facf30880c77a16233cb9938b516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0517fc0e4ec6b84bc4046a746fb3c3c6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/4/50cbb682-3e92-42c6-8225-248a9ff3a76d.png?resizew=142)
A.Ⅰ,Ⅱ都对 | B.Ⅰ对,Ⅱ错 | C.Ⅰ错,Ⅱ对 | D.Ⅰ,Ⅱ都错 |
您最近一年使用:0次
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【推荐1】如图,
中,分别以点B,D为圆心,大于
的长为半径画弧,两弧交于点M,N,直线
分别交
,
于点E,F,连接
、
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,
,
,则线段
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A.![]() | B.![]() ![]() | C.3 | D.![]() |
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【推荐2】如图,在平面直角坐标系中,
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