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What is the formula for the curved surface area of a rectangular circular cylinder?(a) 2πr^2h(b) 2πrh(c) 2π(r + h)(d) 2π(rh)I got this question during an online exam.The above asked question is from Surface Area and Volume of Different Solid Shapes topic in portion Surface Area and Volumes of Mathematics – Class 10

Answer»

The correct option is (B) 2πrh

To ELABORATE: The curved surface area of a rectangular CIRCULAR cylinder = 2πrh

Where ‘r’ is the RADIUS of the base and ‘h’ is the height of the right circular cylinder.



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