The percentage change in volume from cylinder A to cylinder B is 50% decrease
volume of a cylinder = πr²h
where
Therefore,
volume of a cylinder =  π × 8² × 3
volume of a cylinder = Â 192Ï€ m
Percentage change in volume = 192π -  96π /  192π × 100
Percentage change in volume = 9600Ï€ / 192Ï€
Percentage change in volume = 50% decrease
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