如图所示,在正方体
中,
,
分别为棱
的中点,过点
的平面
平面
,则平面
截该正方体所得截面的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf68723c4314474427a26628c973f499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a60be170a52db82cf37b30db0cde26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1885efcff0b903e314057dd153578600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/7932dcee-4c0b-4b35-a12d-45f6dc854a90.png?resizew=159)
更新时间:2020-09-07 23:01:35
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相似题推荐
填空题-单空题
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较易
(0.85)
名校
【推荐1】已知正方体
的棱长为2,
、
分别为
、
的中点,则过
、
、
三点的平面截该正方体所得截面图形的周长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/18394b21-d785-4595-9b55-a817d20dd427.png?resizew=165)
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填空题-单空题
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【推荐2】如图,在棱长为2的正方体
中,M,N,P分别为棱
,
,CD的中点,则平面MNP与正方形
相交形成的线段的长度为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/06997512-bf68-4f14-9c65-6c37ba7c58bd.png?resizew=156)
您最近一年使用:0次
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解题方法
【推荐1】在正方体ABCD-A1B1C1D1中,M,N,Q分别是棱D1C1,A1D1,BC的中点,点P在BD1上且BP=
BD1.则以下四个说法:
①MN∥平面APC;
②C1Q∥平面APC;
③A,P,M三点共线;
④平面MNQ∥平面APC.
其中说法正确的是________ (填序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
①MN∥平面APC;
②C1Q∥平面APC;
③A,P,M三点共线;
④平面MNQ∥平面APC.
其中说法正确的是
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【推荐2】已知m、n是不同的直线,
是不重合的平面,给出下列命题:
①若
,则
;
②若
,则
;
③若
,则
;
④m,n是两条异面直线,若
,则
.
上面的命题中,真命题的序号是____________ .(写出所有真命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc14778010a33f90902ff17b1ec0ac73.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ed0b3904c9853f2e97bfb1c8501fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d6863c6782dd0ad9d5e92869d1a1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c11cb27689ee14f6c14920e0f524175e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
④m,n是两条异面直线,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/001caf2c796462d96b8116f59ae08c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384a65ca1ee3d7d86b988ca34c885e18.png)
上面的命题中,真命题的序号是
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