求各位学霸帮我解一道题。急急急！！！_郑州大学吧_百度贴吧
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求各位学霸帮我解一道题。急急急！！！收藏
一个圆形，半径为R。从圆形中挖出一个扇形。留下的围成一个锥形漏斗。求留下的角度多少时，漏斗的体积最大？谢谢各位哥哥姐姐。
亲。。。我想要过程啊。
这不是高中题吗？！
（2π-θ）R＝2πr，求出底面半径，然后你就会了
问题已解决。谢谢 熊凌莎 半烟小迦 谢谢你们。
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