如图,正六边形ABCDEF外作正方形DEGH,连接AH交DE于点O,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b3569d62725f617cec0d63991df435.png)
A.3 | B.![]() | C.2 | D.![]() |
2022九年级·浙江·专题练习 查看更多[5]
(已下线)专题15 相似三角形-备战2022年中考数学母题题源解密(浙江专用)(已下线)考点14 相似三角形贵州省2022-2023学年九年级上学期期中数学试题(已下线)第01讲 图形的相似-【帮课堂】2023-2024学年九年级数学下册同步学与练(人教版)2024年甘肃省武威市凉州区凉州区洪祥九年制学校联片教研二模数学试题
更新时间:2022-05-10 16:15:31
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【推荐1】如图,一张底边长为
、底边上的高为
的等腰三角形纸片,沿底边依次从下往上裁剪宽度均为
的矩形纸条.若剪得的纸条是一张正方形,则这张正方形纸条是( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5a064f15f27c5bb94d62b0269f68f1.png)
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A.第4张 | B.第5张 | C.第6张 | D.第7张 |
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【推荐2】如图,在边长为1个单位长度的正方形网格中,若连接格点
、
,
与
交于点O,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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A.1 | B.![]() | C.![]() | D.2 |
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【推荐1】一张圆心角为
的扇形纸板和圆形纸板按如图方式剪得一个正方形,边长都为4,已知
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,
是正六边形
对角线
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,
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( )
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A.10 | B.12 | C.14 | D.16 |
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【推荐1】如图,直线
,直线
和
被直线
、
、
所截,
,
,
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/96d82cf8-c563-44bf-bb35-c26fe96294fb.jpg?resizew=131)
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A.14 | B.![]() | C.15 | D.![]() |
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【推荐2】
是
的中线,E是
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的值为( )
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图所示,两个边长相等的正六边形的公共边为
,点A,B,C在同一直线上,点
,
分别为两个正六边形的中心.则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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