A cylindrical gasoline storage tank on mr Edwards farm needs to be painted. The tank is 8 feet long and has a diameter of 4 feet. If one gallon of paint covers 350 square feet, how many cans of paint will mr. Edwards need
surface area of tank=area of the two ends + area of cylindrical surface area of two ends=2πr^2=2π2^2=8π area of cylindrical part of tank=circumferenceheight=2πr8=32π Total area to be painted=8π+32π=40π sq ft Cans of paint needed =40π/350=.35
