Question

The curved surface area of a cylinder is

A) 2rh B) rh C) 1

3

r

2

h D) r

2

h​

Answer 1

Answer:

A)

$2\pirh$

The radius 'r' of a cylinder is the radius of its base. Now, the area of the rectangle = length × breadth. 2πr is the circumference of the circle and h is the height. Area of the curved surface will be = 2πr × h = 2πrh.

Step-by-step explanation:

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Answer 2

The curved surface area of a cylinder is 2πrh