Q. 55.0( 1 Vote )

The curved surface area of a right circular cylinder whose radius is a units and height is b units, is equal to
A. πa2b sq.cm

B. 2πab

C. 2π sq.cm

D. 2 sq.cm

Answer :

Radius (R) = a units


Height (H) = b units


Curved Surface Area = (2πRH) = 2πab sq. units


Out of all the four Options,


Correct Option: B

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