Can anyone explain this better? Or explain how to do it more in depth? I don’t understand this at all

i saw this question before, dont know the asnwer srry

step-by-step explanation:

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d