如图,在四棱锥
中,底面
是边长为1的正方形,S到
的距离都等于2给出以下结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/8/64feae0c-8ab2-48e2-960c-2c0d81944077.png?resizew=142)
①
;
②
;
③
;
④
,
其中正确结论的序号________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4496fe22b40bc63581998e6b7ef6783.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/8/64feae0c-8ab2-48e2-960c-2c0d81944077.png?resizew=142)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caaafbec9eb79cddb5fdbfb446d99248.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8272525725cb32e1227c660c5460f235.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54fc045b3c54ff65c4acd83dff0e7ba.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8afb86d239e287e1997cea5e57f58a83.png)
其中正确结论的序号
更新时间:2023-01-05 16:37:33
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