Find the total surface area of a right prism having a square base with sides of 11feet and an altitude of 24 feet? Find the lateral area of the prism first then add the bases

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)