在三棱锥
中,
是等边三角形,
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的面积为1,则三棱锥
的外接球表面积的最小值是______ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
更新时间:2020-01-31 23:51:39
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