一副三角板如图摆放,则
的值( )
![](https://img.xkw.com/dksih/QBM/2022/5/11/2977086460919808/2977959843299328/STEM/f4d63e83-e374-42ce-a5ec-98ae24ad22ff.png?resizew=190)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
![](https://img.xkw.com/dksih/QBM/2022/5/11/2977086460919808/2977959843299328/STEM/f4d63e83-e374-42ce-a5ec-98ae24ad22ff.png?resizew=190)
A.125° | B.100° | C.115° | D.105° |
更新时间:2022-05-12 19:37:43
|
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较易
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【推荐1】将一副直角三角尺按如图所示的不同方式摆放,则图中
与![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15417741fba20d681ab4414b07339099.png)
不一定 相等的是( )
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【推荐2】如图,将三角板的直角顶点放在两条平行线中的直线AB上若
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/260ad666-c12f-4bfa-a4df-eb6370b8d1d7.png?resizew=200)
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A.77° | B.67° | C.23° | D.60° |
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【推荐1】如图,在
中,边
,
的垂直平分线交于点P,连接
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】如图,已知
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【推荐1】如图,从一块半径是
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【推荐2】如图,六边形
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