Q : 9 Find
(i) the lateral or curved surface area of a closed cylindrical petrol storage tank that is in diameter and high.
Given, a closed cylindrical petrol tank.
The diameter of the tank =
Height of the tank =
We know,
The lateral surface area of a cylinder of radius and height =
The lateral surface area of a cylindrical tank =
Therefore, the lateral or curved surface area of a closed cylindrical petrol storage tank is