What is the total surface area (in sq cm) of a hollow cylinder open at – McqOptions

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1.	What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (TakeÂ Ï€ = 22/7)
A.	1879.43
B.	3758.86
C.	939.715
D.	2819.145
Answer» B. 3758.86

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