The city aquarium got a new tank for their dolphins. the tank is 16 feet high with a radius of 28 feet. answer these questions about the new dolphin tank.

approximately how much water will it take to fill the tank?
= 39,408.14 cubic feet (i know this answer just not the second one)

the aquarium needs to purchase a plastic cover for the tank. what should the approximate size of the cover be?
a) 50.27
b) 87.96
c) 804.25
d) 2,463.01