Subject: mathqa
Question: the surface area of a sphere is 4 π r 2 , where r is the radius of the sphere . if the area of the base of a hemisphere is 3 , what is the surface area e of that hemisphere ?
Option: 
A: 6 / π', 'b ) 9 / π', 'c ) 6', 'd ) 9', 'e ) 12']
B: 9', 'e ) 12']
C: 6', 'd ) 9', 'e ) 12']
D: 12']
Answer: B