在三棱锥P﹣ABC中，PA⊥平面ABC，PA=2 3 ，BC=2，则三棱锥P﹣ABC的外接球的表面积的最小值为

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在三棱锥P﹣ABC中，PA⊥平面ABC，PA=2 3 ，BC=2，则三棱锥P﹣ABC的外接球的表面积的最小值为（）

A：13π

B：14π

C：15π

D：16π

上一题下一题 0.0难度选择题更新时间:2019-10-11 01:37:50

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D

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Here is the bulletin board in Class 2. Some of the notes can be seen every day. Here are some notes before a holiday. Please read them and answer the following questions.

We want to say thanks to Miss Wang, our dear teacher. We couldn't have a wonderful English class without you. Class 2	I am thankful to Annie for lending me the pen. I'll remember to bring mine next time. Mary
The class meeting will be held this Thursday. The topic is “Thanks a lot.”Please get ready. Class 2	A thousand thanks to John . He always helps me clean the windows when I am busy. Julia
Many thanks to Jack for helping with my Chinese homework. Tom	I'm thankful to know that I have so many kind students. I love you all. Miss Wang

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