名校
1 . 已知四棱锥
的底面为正方形,
底面
,平面
过点A且与侧棱
的交点分别为E,F,G,若直线
平面
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f01171ae8ba5588c978b68da33e31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828fed5a1309c555773b2d935e3860b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f1897a7e856b42f8cee0f286ad913d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
A.直线![]() ![]() | B.直线![]() ![]() |
C.直线![]() ![]() ![]() | D.截面四边形![]() ![]() |
您最近一年使用:0次
2023-04-25更新
|
568次组卷
|
2卷引用:海南省海口中学2023届高三全真模拟考试数学试题
名校
解题方法
2 . 四棱锥
的底面为正方形,
与底面垂直,
,
,动点
在线段
上,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
A.存在点![]() ![]() |
B.![]() ![]() |
C.四棱锥![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次