The can itself is a cylinder. The volume of a cylinder can be calculated as follows
volume of a cylinder = πr²h
where
r = radius
h = height
1/3 of the height was cut off that means 1/3 × 12 = 4 inches of the height was cut off. The new height of the can will be 12 - 4 = 8 inches. Therefore,
volume = πr²h =
base area which is the area of a circle = πr² = 45 inches²
