Question

A cylinder tube needs to be painted on the inside as well as on the outside. It is open on both ends. if diameter of the tube is 18 cm and it is 110 cm in length , what is total surface area of this tune which will be painted ?

Answer 1

Answer:

the area which will be painting is = 12445.714cm²

Step-by-step explanation:

the total surface area is = 2× c.s.a of cylinder

= 2×2×22/7×9×110

= 12445.714cm²

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