Calculating Base Area of a Real-World Cylinder The sea lion tank at the aquarium has a volume of approximately 27,488.94 cubic feet and a height of 14 feet. What is the approximate area of a plastic cover that can be used to protect the aquarium? Round to the nearest hundredth. about 140.25 ft2 about 981.75 ft2 about 1,963.50 ft2 about 3,926.99 ft2