1 . 如图,四棱台
,上、下底面均是正方形,且侧面是全等的等腰梯形,且
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/12/9/2610468852146176/2614965853339648/STEM/763a0f1c45d4429898507ec36451c705.png?resizew=293)
(1)求四棱台
的侧面积;
(2)求四棱台
的体积.(台体体积公式
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9889e15ad926dfc0dfa2a2fc33e53dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ffecf3b25626bdbe8aa3f0c5d79c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be40cb5f084bc9c93d86ea635c5d1f04.png)
![](https://img.xkw.com/dksih/QBM/2020/12/9/2610468852146176/2614965853339648/STEM/763a0f1c45d4429898507ec36451c705.png?resizew=293)
(1)求四棱台
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
(2)求四棱台
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d308c623df5e32977bcb36cf1ddaee30.png)
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2020-12-15更新
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4卷引用:安徽省合肥市第六中学2020-2021学年高二上学期期中理科数学试题