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The curved surface area of hemisphere with radius r is
-CBSE
Class
-10
-Mathematics
-Surface Area of Right Circular Cylinders
-Surface Area of Right Circular Cylinders

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2𝝿 r2

4𝝿r2

3𝝿r2

𝝿r2

answer is A.

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Detailed Solution

Curved surface area = area of outer surface CSA = ½ surface area of sphere CSA =½ *4𝝿r2 = 2𝝿r2 This option (a) is correct .

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