Question

Find (1) 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. (ü) how much steel was actually used, if of the steel actually used was wasted in 12 making the tank.
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Answer 1

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For a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high, we have found that the curved surface area = 59.4m² and the amount of steel actually used in making the tank = 95.04 m².

Answer 2

Answer:

Step-by-step explanation:

For a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high, we have found that the curved surface area = 59.4m² and the amount of steel actually used in making the tank = 95.04 m²