Answer:
Whats the question
Step-by-step explanation:
Answer:
Radius= 2r
Step-by-step explanation:
Surface area of hemisphere
=2 x 22/7 x (2r)^2
=44/7 x 4 r^2
=174/7 r^2
=25.14 r^2
44 because 4 times 1 is 4 and 6 times 4 is 24 so in the answer would be 2240