如图是一个以
为底面的直三棱柱被一平面所截得到的几何体,截面为
,已知
,
,
,
,
,求:
![](https://img.xkw.com/dksih/QBM/2021/5/29/2731411846053888/2731580185157632/STEM/5b301483-fdb1-4d8f-a77f-fd6a0fc8c2d7.png?resizew=193)
(1)该几何体的体积;
(2)该几何体的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928e0314a115e555de5222d39637f6eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f5c39420ac5678683d0489ddd0362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3e58edd1f900ca82bb2a3058293f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc416a5b8dc234628e7475387888d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c122ca7141c43c15c783968f5f0dbc19.png)
![](https://img.xkw.com/dksih/QBM/2021/5/29/2731411846053888/2731580185157632/STEM/5b301483-fdb1-4d8f-a77f-fd6a0fc8c2d7.png?resizew=193)
(1)该几何体的体积;
(2)该几何体的表面积.
20-21高三下·浙江·期末 查看更多[1]
(已下线)【新东方】【2021.5.19】【SX】【高三下】【高中数学】【SX00146】
更新时间:2021-05-29 17:17:01
|
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【推荐1】长方体
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解答题-作图题
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【推荐2】一几何体按比例绘制的三视图如图所示(单位:
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适中
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【推荐1】如图,现有三棱锥
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fdb2b9d6a4a54ed1328c5b3adcf7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6541c0cb89f08aa4c937c0beb915e0a7.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325fbf7c39864c58789bc8ebe853dbe9.png)
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解答题-证明题
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适中
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/392ce3dd-5880-43b9-8b70-e2877e9b3ecd.png?resizew=161)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5865d488a9cf1181016fd2e866177cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求多面体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b05fa47289b0164d51d9585464ce9a.png)
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