(Fig. 2)
A wooden article was made by scooping out a hemisphere from each end of a solid
the cylinder is 10 cm and its base is of radius 3.5 cm. Find the total surface area of
end of a solid cylinder, as shown in her
Find the total surface area of the artide
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Required TSA of solid = 2πrh + 2×2πr sq
= 2πr(h + 2r)
= 2×22/7×7/2(10 + 2×7/2)
= 22×17
= 374
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