Q. 135.0( 1 Vote )

The total surface area of a solid hemisphere of diameter 2 cm is equal to
A. 12 cm2

B. 12π cm2

C. 4π cm2

D. 3π cm2

Answer :

Diameter = 2 cm


Radius (r) = 1 cm


Total surface Area = Curved surface Area + Base Area


Total surface Area = 2πr2 + πr2 = 3πr2


Total surface Area = 3π × 12 = 3π cm2


Out of all the four Options,


Correct Option : D

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