I WILL GIVE YOU BRAINLEST IF YOU EXPLAIN HOW YOU GOT THE ANSWER AND WHAT THE ANSWER IS! (First one to answer right)
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?
A) 1407.43 cubic ft
B) 2814.87 cubic ft
C) 22518.94 cubic ft
D) 39408.14 cubic ft
The aquarium needs to purchase a plastic cover for the tank. What should the approximate size of the cover be?
A) 50.27 square ft
B) 87.96 square ft
C) 804.25 square ft
D) 2463.01 square ft