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 Class 7 Mathematics Length, Perimeter and Area: Surface Area

The area of curved surface of a cylinder is 6160#cm^2#. The height of the cylinder is 10cm. What is the radius of the cylinder in centimetres?
(Take #pi=22/7#)]
A. 98
B. 14
C. 196
D. 968

 (4m 4s)
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