2020·全国·模拟预测
1 . 《九章算术》商功章中记载的几何体“堑堵”,是指底面为直角三角形的直棱柱,现有堑堵
,其中
,
,且异面直线
与
所成角的正弦值为
,则该堑堵的体积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ad3a578f403b9e6b97fa2dc955fc11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2020·全国·模拟预测
2 . 《九章算术》商功章中记载的几何体“堑堵”,是指底面为直角三角形的直棱柱.现有堑堵
,其中
,
,且异面直线
与
所成角的正弦值为
,则该堑堵的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ad3a578f403b9e6b97fa2dc955fc11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629675279769600/2630962512674816/STEM/e654c9738f494e38b3c1c3763fd366d2.png?resizew=127)
您最近一年使用:0次