the inner surface of a cylinder tank must be coated with a corrosion preventive the tank major 7m in diameter and 5m in hight . 1 litre of corrosion preventive covers an area of 10m sq. how much material will be needed to coat the tank including the side top and bottom.
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Answer:
Answer:
Given:
Radius r=7m, height =3m
We need to find the total surface area of a cylinder
=2πr(r+h)
=2×
7
22
×7(7+3)=440 sq meter
So, 440 sq m sheet of metal is required.
Answered by
0
Step-by-step explanation:
Given:
Radius r=7m, height =3m
l 30% 8:36 pm
We need to find the total surface area of a cylinder
=2πr(r+h)
=2x
7
22
x7(7+3)=440 sq meter
So, 440 sq m sheet of metal is required.
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