3.14x3x3x10/3/(3.14x5x5)=30/25=1.2cm~如果你认可我的回答,请及时点击【采纳为满意回答】按钮~~手机提问者在客户端右上角评价点【满意】即可。~你的采纳是我前进的动力~~O(∩_∩)O,记得好评和采纳,互相帮助祝学习进步!
设下降高为hV=1/3πx6^2x10=πx10^2h则下降h=1.2cm
3.14x3x3x10/3/(3.14x5x5)=30/25=1.2cm