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प्रश्न
Curved surface area of a cylinder of radius h and height r is ______.
उत्तर
Curved surface area of a cylinder of radius h and height r is 2πhr.
Explanation:
We know that, the curved surface area of a cylinder of radius h and height r
= 2π × Radius × Height
= 2π × h × r
= 2πhr
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