一根直径16.5cm,长6m的圆形管道,能装几立方米的水?
问题描述:
一根直径16.5cm,长6m的圆形管道,能装几立方米的水?
答
r=16.5/2=8.25(cm)8.25cm=0.0825mV=3.14*0.0825*0.0825*6=0.12822975(立方米)答:能装0.12822975立方米.
一根直径16.5cm,长6m的圆形管道,能装几立方米的水?
r=16.5/2=8.25(cm)8.25cm=0.0825mV=3.14*0.0825*0.0825*6=0.12822975(立方米)答:能装0.12822975立方米.