HELP ASAP IT'S URGENT PLEASEEE!!!
A tower is composed of a prism with a square base and a pyramid. The base length is 20 meters, and the height of the prism is 40 meters, while the slant height of the pyramid is 10√2 meters. What is the total surface area, including the bottom base?
A. 400√2 + 3,600 m^2
B. 200√2 + 3,600 m^2
C. 400√2 + 400 m^2
D. 4000√2 m^2