已知正三棱柱ABC﹣A1B1C1的底面边长为1,AA1=1,点P满足
,其中λ∈[0,1],μ∈[0,1],下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6b545127bd51036a5a7b0d3cd5b320.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/15/9e2adf47-d36c-4af5-89c3-0d039546d4a2.png?resizew=140)
A.当λ=1时,△AB1P的周长为定值 |
B.当μ=1时,三棱锥P﹣A1BC的体积为定值 |
C.当![]() |
D.当![]() |
21-22高三上·广东深圳·期末 查看更多[3]
广东省深圳市福田区红岭中学2021-2022学年高三上学期期末数学试题广东省肇庆市第一中学2023-2024学年高二上学期期中数学试题(已下线)重难点突破05 立体几何中的常考压轴小题(七大题型)-1
更新时间:2023-06-12 21:21:35
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【推荐2】如图,在长方体
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A.长方体![]() ![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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【推荐1】如图,正方体
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A.当![]() ![]() ![]() |
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【推荐2】在长方体
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A.![]() | B.三棱锥![]() ![]() |
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【推荐1】如图,在正四棱柱
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【推荐2】如图,在边长为
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A.存在点![]() ![]() ![]() |
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C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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