如图,已知钝角
,依下列步骤尺规作图,并保留作图痕迹.
步骤1:以
为圆心,以
为半径画弧①;
步骤2:以
为圆心,以
为半径画弧②,交弧①于点
;
步骤3:连接
,再连接
,与
的延长线交于点
.
下列叙述正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/e1e792ac-50ed-4f26-8e10-3364c6767ad2.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
步骤1:以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
步骤2:以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
步骤3:连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb9b29668bafeccf32ca33022e96d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
下列叙述正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/e1e792ac-50ed-4f26-8e10-3364c6767ad2.png?resizew=145)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
更新时间:2022-11-21 22:18:51
|
【知识点】 图形的性质
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【推荐1】如图,在
中,
,高
,正方形
一边在
上,点
分别在
上,
交
于点
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/e31a0230-7a17-48f5-abef-0c73c8bb25bb.png?resizew=178)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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A.15 | B.20 | C.25 | D.30 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,均匀地向此容器注水,直到把容器注满.在注水的过程中,下列图象能大致反映水面高度
随时间
变化规律的是( )
![](https://img.xkw.com/dksih/QBM/2018/9/3/2024255076147200/2040158701789184/STEM/f32ffa998b44453ca392f4f6a765b2a3.png?resizew=63)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/2018/9/3/2024255076147200/2040158701789184/STEM/f32ffa998b44453ca392f4f6a765b2a3.png?resizew=63)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次