+h=10
圆柱的表面积S=2*3.14*r*r+2*3.14*r*h=2*3.14*r*(r+h)=2*3.14*r*10=62.8r=125.6
r=125.6/62.8=2cm
h=10-2=8cm
圆柱体积V=3.14*r*r*h=3.14*2*2*8=100.48(立方厘米)
答:圆柱体积是100.48立方厘米.
+h=10
圆柱的表面积S=2*3.14*r*r+2*3.14*r*h=2*3.14*r*(r+h)=2*3.14*r*10=62.8r=125.6
r=125.6/62.8=2cm
h=10-2=8cm
圆柱体积V=3.14*r*r*h=3.14*2*2*8=100.48(立方厘米)
答:圆柱体积是100.48立方厘米.