已知正四棱锥的顶点都在同一球面上,且该棱锥的高为 4,底面边长为
,则该球的表面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
更新时间:2019-05-14 18:19:50
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解题方法
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