名校
解题方法
1 . 如图,在棱长为1的正方体
中,点
是线段
上的动点,下列命题正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/3/c93ead8b-4812-48fc-83ec-73fd066efc6a.png?resizew=171)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/3/c93ead8b-4812-48fc-83ec-73fd066efc6a.png?resizew=171)
A.异面直线![]() ![]() |
B.二面角![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-09-01更新
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769次组卷
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3卷引用:甘肃省天水市第一中学2021-2022学年高一下学期期末考试数学试题
甘肃省天水市第一中学2021-2022学年高一下学期期末考试数学试题广东省深圳市罗湖高级中学2022-2023学年高一下学期期中考试数学试题(已下线)高一数学下学期期末模拟押题预测试卷(三角函数+平面向量+解三角形+复数+立体几何+统计概率)-【题型分类归纳】
名校
解题方法
2 . 在棱长为
的正方体
中,
分别为
的中点,
为正方体棱上一动点.下列说法中所有正确的序号是___________
①
在
上运动时,存在某个位置,使得
与
所成角为
;
②
在
上运动时,
与
所成角的最大正弦值为
;
③
在
上运动且
时,过
三点的平面截正方体所得多边形的周长为
;
④
在
上运动时(
不与
重合),若点
在同一球面上,则该球表面积最大值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fee291a77b75c3bf7b2255b475211bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c015d99f2677951bdcd0447240ef93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c015d99f2677951bdcd0447240ef93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe2c533dbc23a34518f72f3cb14f330.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ae10933017e734cb333766920e4c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748952a03ee743295c7095917703d7f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23552e1933f291d0a4c3f4d3b9371f5d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f1bf177e3452d43debfdd7f7d28ddf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e0166cef87d437ba03524bbdb61288.png)
您最近一年使用:0次
2022-04-08更新
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6卷引用:甘肃省高台县第一中学2022届高三下学期第七次检测数学(文)试题
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