一直四棱柱的底面是菱形,它的一条边长为2,一个角为
,且侧棱长为6,那么它的表面积为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
更新时间:2016-12-05 23:42:09
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