What will be the change in the total surface area of the two pieces as compared to the given cylinder if a right circular cylinder of base diameter 10 cm and height 15 cm is cut into two equal pieces vertically?
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DIAMETER = 10 cm
RADIUS= 5cm
HEIGHT= 15cm
TSA= 2*3.14*5(5+15)
= 748cmsq
Now,
Half TSA= 748/2
= 374cmsq
Now as it is cut we will get a rectangle and semi cylinder
So the TSA will be area of rectangle+half tsar of cylinder
TSA= 15*10+374
= 150+374
= 524 cmsq
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