Help with this math problem for my class

what are you trying find out?

step-by-step explanation:

c-   36

taxicab circle radius 9 has 4(9) = 36 points

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