Curved surface area of hemisphere of radius r is equal to __________ – McqOptions

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1.	Curved surface area of hemisphere of radius r is equal to __________
A.	2 r<sup>2</sup>
B.	4 r<sup>2</sup>
C.	3 r<sup>2</sup>
D.	r<sup>2</sup>
Answer» B. 4 r<sup>2</sup>

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