a wooden article was made by scooping out a hemisphere from each end of the solid cylinder, as shown in the figure if the height of the cylinder is 10cm and its radius of the base is 3.5, find the total surface area
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Solution: From the figure, it can be seen that the radius of the hemispheres scooped out is the same as the radius of the base of the cylinder since both the hemispheres are of equal radius. Therefore, the total surface area of the article only includes the CSA of both the hemispheres and the cylinder
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0.35
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