A cylinder with a height of 10 inches and a diameter of 8 inches has a surface area of 351.86 square inches.
A cylinder with a diameter of eight inches and a height of five inches has a surface area of 226.2 square inches.
A cylinder has a diameter of 18 inches and a height of 25 inches has a total surface area of approximately 1,922.65 square inches.
602 sq inches, on the inside and outside. pi x diameter x height x2
The curved surface area is 125.66 square inches.
SA = 95.504 square inches.
Total surface area is 226 square inches and the curved surface area is 126 square inches.
40pi or about 125.6
Entire surface area of cylinder: (2*pi*4^2) + (8*pi*5) = 72*pi square inches