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a cylindrical tin with one end opened has diameter of 440mm and height 50mm.What is the total surface area

3 answers

SA of cylinder with one end
= πr^ + 2πrh
= π(220^2 + 2π(220)(50)
= ....

A closed tin of milk has diameter 10cm and height 16cm .find the total surface area of the tin.(take to be 22/7)

Math

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