Question

CSA of cylinder =________​

Answer 1

Answer in the given attachment

Answer 2

Here is your answer

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.

The curved surface area of a cylinder is given as- C.S.A.= Example- Consider a curved surface area of a cylinder having height of 5 cm and diameter of base to be 2 cm.

Formula

Volume of Cylinder = πr²h.

Curved Surface Area (CSA) of Cylinder = 2πrh.

Total Surface Area (TSA) of Cylinder = 2πr (h + r)

The radius of the cylinder is the radius of a base. The altitude of the cylinder is a perpendicular segment from the plane of one base to the plane of the other and the height of the cylinder is the length of the altitude. The axis of a cylinder is the segment containing the centers of the two bases.

Hence verified

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