pease explain that in 2nd part of this question that what it says.
I only want to know that what the 2nd part of the question says. the meaning of the 2nd part. and i dont want the answer.
Find
(i) The lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high.
(ii) How much steel was actually used, if 1/12 of the steel actually used was wasted in making the tank.
this question is from class 9 ncert ex-13.2 question 9
