Math, asked by srilakshmisri198802, 13 hours ago

find (i) the total surface area of a closed cylindrical petrol storage tank whose diameter 4.2 m. and height 4.5 m.
(ii) how much steel sheet was actually used, if 1/12 of the steel was wasted in making the tank

Answers

Answered by krish11095

0

Answer:

total surface area of cylinder is equal to 2πr(r+h)

Step-by-step explanation:

hope it's help you

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