Answer:
(D)
≈

Explanation:
It is given that If a plant manufacturing carpet backing has a cylindrical tank that is 3 meters high and is 6 meters in diameter, thus the radius of the cylindrical tank is given as:

and the height is=6m.
Now, the volume of the cylindrical tank is given as:

Substituting the given values, we get



≈

Hence, the volume of the cylindrical tank is
.
Thus, option D is correct.