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Q.

Curved surface area of a cylinder is


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a

Circumference of a base×height

b

Area of a circle×radius

c

Circumference of a base×radius

d

Area of a circle×height  

answer is A.

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Detailed Solution

We have to find the curved surface area of a cylinder.
Considering a cylinder,
Question ImageIn the above figure,
We have, the curved surface area of a cylinder is equal to the circumference of a base × height.
Hence, option 1 is correct.
 
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