1 . 在棱长为
的正四面体
中,点
满足
,点
满足
,当
、
最短时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9cdcab3b8efb3d856aed20c6246bf1.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14cbe3f26416fe15556a3a61ca03732c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da87e9c5951086b0205b3aebc24e9b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9cdcab3b8efb3d856aed20c6246bf1.png)
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2021-10-23更新
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4卷引用:山西省大同市第一中学校2021-2022学年高二上学期10月月考数学试题
2 . 摩索拉斯陵墓位于哈利卡纳素斯,在土耳其(
)的西南方,陵墓由下至上分别是墩座墙、柱子构成的拱廊、四棱锥金字塔以及由四匹马拉着的一架古代战车的雕像,总高度
米,其中墩座墙和柱子围成长、宽、高分别是
米、
米、
米的长方体,长方体的上底面与四棱锥的底面重合,顶点在底面的射影是长方形对角线交点,最顶部的马车雕像高
米,则陵墓的高与金字塔的侧棱长之比大约为(注:
)( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/d5efc998-9915-4deb-8953-5cea4e2e2d2c.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71037d20d6dc21c37fa9a7b7c9f6a4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5021dda43ea360fb7b1102c1a462693a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b72ac611ae66b86761e080761d9aabc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814397354c2ae1cb08e0271305970811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d35e4f46b8cdde8e7d07fe2f80123af.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/d5efc998-9915-4deb-8953-5cea4e2e2d2c.png?resizew=179)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-01-14更新
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5卷引用:山西省运城市新绛县第二中学2021届高三上学期1月联考文科数学试题