Wzory dla stożka:
V = 1/3*Pps*h = 1/3*pi*r*h
P = Pps+Pbs = pi*r^2+pi*r*l = pi*r*(r+l)
Wzory dla walca:
V = Pp*H = pi*R^2*H
H = 3h1 => h1 = 1/3*H ; H = 1/2*h2 => h2 = 2H
zatem 3h1=1/2*h2, więc h1=1/6*h2, czyli h2=6h1
x = 30 [cm]
x = h1 + H + h2 = h1+ 3h1 + 6h1 = 10h1
30 = 10h1
h1 = 3 [cm]
H = 3*3 = 9 [cm]
ponadto: h2 = 18 [cm]