tolong y kak no 22 dan 23

22. v = phi x r2 x t
v = 3,14 x 9 x 9 x 22
v = 5595,48

b. 5595,48 cm 3

23. v = (15 x 16)/2 x 12
v = 120 x 12 = 1440 cm3

b. 1440 cm3