50 circular plates, each of radius 7 cm and thickness 0.5 cm, are placed one above the other to form a right circular cylinder. Find the total surface area of cylinder
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h = 0.5*50 = 25cm
r = 7cm
tsa = 2πr(r+h)= 2*(22/7)*7(7+25) = 44*32 = 1344 sq cm
r = 7cm
tsa = 2πr(r+h)= 2*(22/7)*7(7+25) = 44*32 = 1344 sq cm
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