Question

to find the total surface area of cylinders by activity method​

Answer 1

Answer:

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Answer 2

Also, the area of each circular sheet = πr². the total area of the top and bottom surfaces of the cylinder = 2 x πr²=2πr². Hence, the total surface area of the cylinder = 2πrh + 2πr²=2πr(h+r). The total surface area of the cylinder is given by S = 2πr(h+r).