如图,在四棱锥P-ABCD中,底面ABCD为正方形,侧面PAD是正三角形,平面PAD⊥平面ABCD,M、O、N分别是PD、AD、BC的中点.
![](https://img.xkw.com/dksih/QBM/2022/1/27/2903417327665152/2938378216120320/STEM/b19a1b851ce1479999a14f030b1d7fd9.png?resizew=162)
(1)证明:平面PAB∥平面MON;
(2)若AB=2,求点C到平面PAB的距离.
![](https://img.xkw.com/dksih/QBM/2022/1/27/2903417327665152/2938378216120320/STEM/b19a1b851ce1479999a14f030b1d7fd9.png?resizew=162)
(1)证明:平面PAB∥平面MON;
(2)若AB=2,求点C到平面PAB的距离.
更新时间:2022-03-17 21:28:41
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解答题-证明题
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解题方法
【推荐1】如图,在正方体
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(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b45602e943254f72e918eb85eb6efc7.png)
(2)平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf196ee65674c75ad168fa5fd755d3a.png)
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【推荐2】如图在正方体
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【推荐1】如图,在四棱锥
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【推荐2】如图,等腰梯形MNCD中,MD∥NC,MN=
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