Math, asked by singhmohan87627, 1 month ago

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.​

Answers

Answered by divyasingh016787
0

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 gdevi7525
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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