Answer:
3/3 , 3/3 , 1/3
7/7, 7/7, 7/7 , 4/7
4/4 , 4/4 , 4/4 , 2/4 u meant that?
Area of the sheet used to make the tank = total surface area of the cylinder = 2r(r+h) = 2 x 22/7 x 63 x 263 = 104148 sq. cm.
i think the answer is A.