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A wooden article was made by scooping out a hemisphere from each ends of a solid cylinder. If the height of the cylinder is 20cm, and radius of the base is 3.5cm , find the total surface area of the article.


$( A ) 256 cm^2 \\ ( B ) 544 cm^2 \\ ( C ) 354 cm^2 \\ ( D ) 545 cm^2$

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