Find 1)the lateral surface area of a closed cylindrical petrol storage

1.	Find 1)the lateral surface area of a closed cylindrical petrol storage tank that is 4.2m in diameter and 4.5m high. 2)howuch steel was actually used,if 1/12 of the steel actually used was wasted in making the tank.
Answer» Find 1)the lateral surface area of a closed cylindrical petrol storage tank that is 4.2m in diameter and 4.5m high. 2)howuch steel was actually used,if 1/12 of the steel actually used was wasted in making the tank.

Find 1)the lateral surface area of a closed cylindrical petrol storage tank that is 4.2m in diameter and 4.5m high. 2)howuch steel was actually used,if 1/12 of the steel actually used was wasted in making the tank.

Answer»

Find

1)the lateral surface area of a closed cylindrical petrol storage tank that is 4.2m in diameter and 4.5m high.

2)howuch steel was actually used,if 1/12 of the steel actually used was wasted in making the tank.