V=π r2 h
v = ( 3,14 * r^2 * h ) * 3/4 = 1 * 3/4 = 3/4 = 0.75 см в кубе
V цил.=pi*r^2*h
pi*r^2*h=1
pi*r^2/4*3h=x
pi*r^2*h=4/3*x
1=4/3*x
x=1*3/4=3/4=0.75 см^3
V=π r2 h
v = ( 3,14 * r^2 * h ) * 3/4 = 1 * 3/4 = 3/4 = 0.75 см в кубе
V цил.=pi*r^2*h
pi*r^2*h=1
pi*r^2/4*3h=x
pi*r^2*h=4/3*x
1=4/3*x
x=1*3/4=3/4=0.75 см^3