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 Class 7 Mathematics Length, Perimeter and Area: Surface Area

A closed cylindrical container has a radius of 1.4cm and height of 4cm. What is the surface area in
#cm^2# (Take #pi=22/7#)
A. 47.52
B. 4.136
C. 24.64
D. 20.68

 (3m 54s)
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