MathematicsThe curved surface area of a cylinder is 220 cm2. Its base radius is 3.5 cm then its height is

The curved surface area of a cylinder is $220 c m^{2}$ . Its base radius is 3.5 cm then its height is

A
20 cm
B
3.5 cm
C
30 cm
D
10 cm

Solution:

CSA of cylinder

Radius

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